VM - GRIB - WMO version 17 Table Code/Flag

Values

Code table 0.0 - Discipline of processed data in the GRIB message, number of GRIB Master table

Code figure	Description	Status
0	Meteorological products	Operational
1	Hydrological products	Operational
2	Land surface products	Operational
3	Space products	Operational
4-9	Reserved	Operational
10	Oceanographic products	Operational
11-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

1.0

Code table 1.0 - GRIB master tables version number

Code figure	Description	Status
0	Experimental	Operational
1	Version implemented on 7 November 2001	Operational
2	Version implemented on 4 November 2003	Operational
3	Version implemented on 2 November 2005	Operational
4	Version implemented on 7 November 2007	Operational
5	Version implemented on 4 November 2009	Operational
6	Version implemented on 15 September 2010	Operational
7	Version implemented on 4 May 2011	Operational
8	Version implemented on 2 November 2011	Operational
9	Version implemented on 2 May 2012	Operational
10	Version implemented on 7 November 2012	Operational
11	Version implemented on 8 May 2013	Operational
12	Version implemented on 14 November 2013	Operational
13	Version implemented on 7 May 2014	Operational
14	Version implemented on 5 November 2014	Operational
15	Version implemented on 6 May 2015	Operational
16	Version implemented on 11 November 2015	Operational
17	Version implemented on 4 May 2016	Operational
18	Pre-operational to be implemented by next amendment	Operational
19-254	Future versions	Operational
255	Missing	Operational

1.1

Code table 1.1 - GRIB local tables version number

Code figure	Description	Status
0	Local tables not used. Only table entries and templates from the current master table are valid	Operational
1-254	Number of local tables version used	Operational
255	Missing	Operational

1.2

Code table 1.2 - Significance of reference time

Code figure	Description	Status
0	Analysis	Operational
1	Start of forecast	Operational
2	Verifying time of forecast	Operational
3	Observation time	Operational
4-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

1.3

Code table 1.3 - Production status of data

Code figure	Description	Status
0	Operational products	Operational
1	Operational test products	Operational
2	Research products	Operational
3	Re-analysis products	Operational
4	THORPEX Interactive Grand Global Ensemble (TIGGE)	Operational
5	THORPEX Interactive Grand Global Ensemble (TIGGE) test	Operational
6	S2S operational products	Operational
7	S2S test products	Operational
8	Uncertainties in Ensembles of Regional ReAnalyses project (UERRA)	Operational
9	Uncertainties in Ensembles of Regional ReAnalyses project (UERRA) test	Operational
10-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

1.4

Code table 1.4 - Type of data

Code figure	Description	Status
0	Analysis products	Operational
1	Forecast products	Operational
2	Analysis and forecast products	Operational
3	Control forecast products	Operational
4	Perturbed forecast products	Operational
5	Control and perturbed forecast products	Operational
6	Processed satellite observations	Operational
7	Processed radar observations	Operational
8	Event probability	Operational
9-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

1.5

Code table 1.5 - Identification template number

Code figure	Description	Status
0	Calendar definition	Operational
1	Paleontological offset	Operational
2	Calendar definition and paleontological offset	Operational
3-32767	Reserved	Operational
32768-65534	Reserved for local use	Operational
65535	Missing	Operational

1.6

Code table 1.6 - Type of calendar

Code figure	Description	Status
0	Gregorian	Operational
1	360-day	Operational
2	365-day	Operational
3	Proleptic Gregorian	Operational
4-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

3.0

Code table 3.0 - Source of grid definition

Code figure	Description	Unit	Status
0	Specified in Code table 3.1		Operational
1	Predetermined grid definition	Defined by originating centre	Operational
2-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	A grid definition does not apply to this product		Operational

3.1

Code table 3.1 - Grid definition template number

Code figure	Description	Unit	Status
0	Latitude/longitude	Also called equidistant cylindrical, or Plate Carrée	Operational
1	Rotated latitude/longitude		Operational
2	Stretched latitude/longitude		Operational
3	Stretched and rotated latitude/longitude		Operational
4	Variable resolution latitude/longitude		Operational
5	Variable resolution rotated latitude/longitude		Operational
6-9	Reserved		Operational
10	Mercator		Operational
11-19	Reserved		Operational
20	Polar stereographic projection	Can be south or north	Operational
21-29	Reserved		Operational
30	Lambert conformal	Can be secant or tangent, conical or bipolar	Operational
31	Albers equal area		Operational
32-39	Reserved		Operational
40	Gaussian latitude/longitude		Operational
41	Rotated Gaussian latitude/longitude		Operational
42	Stretched Gaussian latitude/longitude		Operational
43	Stretched and rotated Gaussian latitude/longitude		Operational
44-49	Reserved		Operational
50	Spherical harmonic coefficients		Operational
51	Rotated spherical harmonic coefficients		Operational
52	Stretched spherical harmonic coefficients		Operational
53	Stretched and rotated spherical harmonic coefficients		Operational
54-89	Reserved		Operational
90	Space view perspective or orthographic		Operational
91-99	Reserved		Operational
100	Triangular grid based on an icosahedron		Operational
101	General unstructured grid		Operational
102-109	Reserved		Operational
110	Equatorial azimuthal equidistant projection		Operational
111-119	Reserved		Operational
120	Azimuth-range projection		Operational
121-139	Reserved		Operational
140	Lambert azimuthal equal area projection		Operational
141-999	Reserved		Operational
1000	Cross-section grid with points equally spaced on the horizontal		Experimental
1001-1099	Reserved		Operational
1100	Hovmöller diagram grid with points equally spaced on the horizontal		Experimental
1101-1199	Reserved		Operational
1200	Time section grid		Experimental
1201-32767	Reserved		Operational
32768-65534	Reserved for local use		Operational
65535	Missing		Operational

3.2

Code table 3.2 - Shape of the Earth

Code figure	Description	Status
0	Earth assumed spherical with radius = 6 367 470.0 m	Operational
1	Earth assumed spherical with radius specified (in m) by data producer	Operational
2	Earth assumed oblate spheroid with size as determined by IAU in 1965 (major axis = 6 378 160.0 m, minor axis = 6 356 775.0 m, f = 1/297.0)	Operational
3	Earth assumed oblate spheroid with major and minor axes specified (in km) by data producer	Operational
4	Earth assumed oblate spheroid as defined in IAG-GRS80 model (major axis = 6 378 137.0 m, minor axis = 6 356 752.314 m, f = 1/298.257 222 101)	Operational
5	Earth assumed represented by WGS84 (as used by ICAO since 1998)	Operational
6	Earth assumed spherical with radius of 6 371 229.0 m	Operational
7	Earth assumed oblate spheroid with major or minor axes specified (in m) by data producer	Operational
8	Earth model assumed spherical with radius of 6 371 200 m, but the horizontal datum of the resulting latitude/longitude field is the WGS84 reference frame	Operational
9	Earth represented by the Ordnance Survey Great Britain 1936 Datum, using the Airy 1830 Spheroid, the Greenwich meridian as 0 longitude, and the Newlyn datum as mean sea level, 0 height	Operational
10-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

3.3

Flag table 3.3 - Resolution and component flags

Bit No.	Flag Value	Description	Status
1-2		Reserved	Operational
3	0	i direction increments not given	Operational
3	1	i direction increments given	Operational
4	0	j direction increments not given	Operational
4	1	j direction increments given	Operational
5	0	Resolved u- and v- components of vector quantities relative to easterly and northerly directions	Operational
5	1	Resolved u- and v- components of vector quantities relative to the defined grid in the direction of increasing x and y (or i and j) coordinates, respectively	Operational
6-8		Reserved - set to zero	Operational

3.4

Flag table 3.4 - Scanning mode

Bit No.	Flag Value	Description	Status
1	0	Points of first row or column scan in the +i (+x) direction	Operational
1	1	Points of first row or column scan in the -i (-x) direction	Operational
2	0	Points of first row or column scan in the -j (-y) direction	Operational
2	1	Points of first row or column scan in the +j (+y) direction	Operational
3	0	Adjacent points in i (x) direction are consecutive	Operational
3	1	Adjacent points in j (y) direction is consecutive	Operational
4	0	All rows scan in the same direction	Operational
4	1	Adjacent rows scans in the opposite direction	Operational
5	0	Points within odd rows are not offset in i (x) direction	Operational
5	1	Points within odd rows are offset by Di/2 in i (x) direction	Operational
6	0	Points within even rows are not offset in i (x) direction	Operational
6	1	Points within even rows are offset by Di/2 in i (x) direction	Operational
7	0	Points are not offset in j (y) direction	Operational
7	1	Points are offset by Dj/2 in j (y) direction	Operational
8	0	Rows have Ni grid points and columns have Nj grid points	Operational
8	1	Rows have Ni grid points if points are not offset in i direction Rows have Ni-1 grid points if points are offset by Di/2 in i direction Columns have Nj grid points if points are not offset in j direction Columns have Nj-1 grid points if points are offset by Dj/2 in j direction	Operational

3.5

Flag table 3.5 - Projection centre

Bit No.	Flag Value	Description	Status
1	0	North Pole is on the projection plane	Operational
1	1	South Pole is on the projection plane	Operational
2	0	Only one projection centre is used	Operational
2	1	Projection is bipolar and symmetric	Operational

3.6

Code table 3.6 - Spectral data representation type

Code figure	Description	Unit	Status
1	(see separate doc or pdf file)		Operational

3.7

Code table 3.7 - Spectral data representation mode

Code figure	Description	Status
0	Reserved	Operational
1	(see separate doc or pdf file)	Operational
2-254	Reserved	Operational
255	Missing	Operational

3.8

Code table 3.8 - Grid point position

Code figure	Description	Status
0	Grid points at triangle vertices	Operational
1	Grid points at centres of triangles	Operational
2	Grid points at midpoints of triangle sides	Operational
3-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

3.9

Flag table 3.9 - Numbering order of diamonds as seen from the corresponding pole

Bit No.	Flag Value	Description	Status
1	0	Clockwise orientation	Operational
1	1	Anti-clockwise (i.e. counter-clockwise) orientation	Operational
2-8		Reserved	Operational

3.10

Flag table 3.10 - Scanning mode for one diamond

Bit No.	Flag Value	Description	Status
1	0	Points scan in +i direction, i.e. from pole to Equator	Operational
1	1	Points scan in -i direction, i.e. from Equator to pole	Operational
2	0	Points scan in +j direction, i.e. from west to east	Operational
2	1	Points scan in -j direction, i.e. from east to west	Operational
3	0	Adjacent points in i direction are consecutive	Operational
3	1	Adjacent points in j direction are consecutive	Operational
4-8		Reserved	Operational

3.11

Code table 3.11 - Interpretation of list of numbers at end of section 3

Code figure	Description	Status
0	There is no appended list	Operational
1	Numbers define number of points corresponding to full coordinate circles (i.e. parallels), coordinate values on each circle are multiple of the circle mesh, and extreme coordinate values given in grid definition (i.e. extreme longitudes) may not be reached in all rows	Operational
2	Numbers define number of points corresponding to coordinate lines delimited by extreme coordinate values given in grid definition (i.e. extreme longitudes) which are present in each row	Operational
3	Numbers define the actual latitudes for each row in the grid. The list of numbers are integer values of the valid latitudes in microdegrees (scaled by 10-6) or in unit equal to the ratio of the basic angle and the subdivisions number for each row, in the same order as specified in the "scanning mode flag" (bit no. 2)	Operational
4-254	Reserved	Operational
255	Missing	Operational

3.15

Code table 3.15 - Physical meaning of vertical coordinate

Code figure	Description	Unit	Status
0-19	Reserved		Operational
20	Temperature	K	Operational
21-99	Reserved		Operational
100	Pressure	Pa	Operational
101	Pressure deviation from mean sea level	Pa	Operational
102	Altitude above mean sea level	m	Operational
103	Height above ground	m	Operational
104	Sigma coordinate		Operational
105	Hybrid coordinate		Operational
106	Depth below land surface	m	Operational
107	Potential temperature (theta)	K	Operational
108	Pressure deviation from ground to level	Pa	Operational
109	Potential vorticity	K m-2 kg-1 s-1	Operational
110	Geometrical height	m	Operational
111	Eta coordinate		Operational
112	Geopotential height	gpm	Operational
113	Logarithmic hybrid coordinate		Operational
114-159	Reserved		Operational
160	Depth below sea level	m	Operational
161-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

3.20

Code table 3.20 - Type of horizontal line

Code figure	Description	Status
0	Rhumb	Operational
1	Great circle	Operational
2-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

3.21

Code table 3.21 - Vertical dimension coordinate values definition

Code figure	Description	Status
0	Explicit coordinate values set	Operational
1	Linear coordinates f(1) = C1, f(n) = f(n-1) + C2	Operational
2-10	Reserved	Operational
11	Geometric coordinates f(1) = C1, f(n) = C2 × f(n-1)	Operational
12-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.0

Code table 4.0 - Product definition template number

Code figure	Description	Status
0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time	Operational
1	Individual ensemble forecast, control and perturbed, at a horizontal level or in a horizontal layer at a point in time	Operational
2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time	Operational
3	Derived forecasts based on a cluster of ensemble members over a rectangular area at a horizontal level or in a horizontal layer at a point in time	Operational
4	Derived forecasts based on a cluster of ensemble members over a circular area at a horizontal level or in a horizontal layer at a point in time	Operational
5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time	Operational
6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time	Operational
7	Analysis or forecast error at a horizontal level or in a horizontal layer at a point in time	Operational
8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval	Operational
9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval	Operational
10	Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval	Experimental
11	Individual ensemble forecast, control and perturbed, at a horizontal level or in a horizontal layer, in a continuous or non-continuous interval	Operational
12	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer, in a continuous or non-continuous interval	Operational
13	Derived forecasts based on a cluster of ensemble members over a rectangular area, at a horizontal level or in a horizontal layer, in a continuous or non-continuous interval	Operational
14	Derived forecasts based on a cluster of ensemble members over a circular area, at a horizontal level or in a horizontal layer, in a continuous or non-continuous interval	Operational
15	Average, accumulation, extreme values, or other statistically processed values over a spatial area at a horizontal level or in a horizontal layer at a point in time	Operational
16-19	Reserved	Operational
20	Radar product	Operational
21-29	Reserved	Operational
30	Satellite product (deprecated)	Operational
31	Satellite product	Operational
32	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time for simulated (synthetic) satellite data	Operational
33	Individual ensemble forecast, control and perturbed, at a horizontal level or in a horizontal layer at a point in time for simulated (synthetic) satellite data	Operational
34	Individual ensemble forecast, control and perturbed, at a horizontal level or in a horizontal layer, in a continuous or non-continuous interval for simulated (synthetic) satellite data	Operational
35-39	Reserved	Operational
40	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents	Operational
41	Individual ensemble forecast, control and perturbed, at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents	Operational
42	Average, accumulation and/or extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval for atmospheric chemical constituents	Operational
43	Individual ensemble forecast, control and perturbed, at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval for atmospheric chemical constituents	Operational
44	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time for aerosol	Operational
45	Individual ensemble forecast, control and perturbed, at a horizontal level or in a horizontal layer at a point in time for aerosol	Operational
46	Average, accumulation, and/or extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval for aerosol	Operational
47	Individual ensemble forecast, control and perturbed, at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval for aerosol	Operational
48	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time for optical properties of aerosol	Operational
49-50	Reserved	Operational
51	Categorical forecasts at a horizontal level or in a horizontal layer at a point in time	Operational
52	Reserved	Operational
53	Partitioned parameters at a horizontal level or in a horizontal layer at a point in time	Operational
54	Individual ensemble forecast, control and perturbed, at a horizontal level or in a horizontal layer at a point in time for partitioned parameters	Operational
55	Spatio-temporal changing tiles at a horizontal level or horizontal layer at a point in time	Operational
56	Individual ensemble forecast, control and perturbed, at a horizontal level or in a horizontal layer at a point in time for spatio-temporal changing tile parameters	Operational
57	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents based on a distribution function	Operational
58-59	Reserved	Operational
60	Individual ensemble reforecast, control and perturbed, at a horizontal level or in a horizontal layer at a point in time	Operational
61	Individual ensemble reforecast, control and perturbed, at a horizontal level or in a horizontal layer, in a continuous or non-continuous time interval	Operational
62-90	Reserved	Operational
91	Categorical forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval	Operational
92-253	Reserved	Operational
254	CCITT IA5 character string	Operational
255-999	Reserved	Operational
1000	Cross-section of analysis and forecast at a point in time	Experimental
1001	Cross-section of averaged or otherwise statistically processed analysis or forecast over a range of time	Experimental
1002	Cross-section of analysis and forecast, averaged or otherwise statistically processed over latitude or longitude	Experimental
1003-1099	Reserved	Operational
1100	Hovmöller-type grid with no averaging or other statistical processing	Experimental
1101	Hovmöller-type grid with averaging or other statistical processing	Experimental
1102-32767	Reserved	Operational
32768-65534	Reserved for local use	Operational
65535	Missing	Operational

4.1.0

Code table 4.1 - Parameter category by product discipline # Product discipline 0 - Meteorological products

Code figure	Description	Status
0	Temperature	Operational
1	Moisture	Operational
2	Momentum	Operational
3	Mass	Operational
4	Short-wave radiation	Operational
5	Long-wave radiation	Operational
6	Cloud	Operational
7	Thermodynamic stability indices	Operational
8	Kinematic stability indices	Operational
9	Temperature probabilities	Deprecated
10	Moisture probabilities	Deprecated
11	Momentum probabilities	Deprecated
12	Mass probabilities	Deprecated
13	Aerosols	Operational
14	Trace gases (e.g. ozone, CO2)	Operational
15	Radar	Operational
16	Forecast radar imagery	Operational
17	Electrodynamics	Operational
18	Nuclear/radiology	Operational
19	Physical atmospheric properties	Operational
20	Atmospheric chemical constituents	Operational
21-189	Reserved	Operational
190	CCITT IA5 string	Operational
191	Miscellaneous	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.1.1

Code table 4.1 - Parameter category by product discipline # Product discipline 1 - Hydrological products

Code figure	Description	Status
0	Hydrology basic products	Operational
1	Hydrology probabilities	Operational
2	Inland water and sediment properties	Operational
3-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.1.2

Code table 4.1 - Parameter category by product discipline # Product discipline 2 - Land surface products

Code figure	Description	Status
0	Vegetation/biomass	Operational
1	Agri-/aquacultural special products	Operational
2	Transportation-related products	Operational
3	Soil products	Operational
4	Fire weather products	Operational
5-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.1.3

Code table 4.1 - Parameter category by product discipline # Product discipline 3 - Space products

Code figure	Description	Status
0	Image format products	Operational
1	Quantitative products	Operational
2	Cloud properties	Operational
3	Flight rule conditions	Operational
4	Volcanic ash	Operational
5	Sea-surface temperature	Operational
6	Solar radiation	Operational
7-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.1.10

Code table 4.1 - Parameter category by product discipline # Product discipline 10 - Oceanographic products

Code figure	Description	Status
0	Waves	Operational
1	Currents	Operational
2	Ice	Operational
3	Surface properties	Operational
4	Subsurface properties	Operational
5-190	Reserved	Operational
191	Miscellaneous	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.2.0.0

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 0: temperature

Code figure	Description	Unit	Status
0	Temperature	K	Operational
1	Virtual temperature	K	Operational
2	Potential temperature	K	Operational
3	Pseudo-adiabatic potential temperature or equivalent potential temperature	K	Operational
4	Maximum temperature	K	Deprecated
5	Minimum temperature	K	Deprecated
6	Dewpoint temperature	K	Operational
7	Dewpoint depression (or deficit)	K	Operational
8	Lapse rate	K/m	Operational
9	Temperature anomaly	K	Operational
10	Latent heat net flux	W m-2	Operational
11	Sensible heat net flux	W m-2	Operational
12	Heat index	K	Operational
13	Wind chill factor	K	Operational
14	Minimum dewpoint depression	K	Deprecated
15	Virtual potential temperature	K	Operational
16	Snow phase change heat flux	W m-2	Operational
17	Skin temperature	K	Operational
18	Snow temperature (top of snow)	K	Operational
19	Turbulent transfer coefficient for heat	Numeric	Operational
20	Turbulent diffusion coefficient for heat	m2/s	Operational
21	Apparent temperature	K	Operational
22	Temperature tendency due to short-wave radiation	K s-1	Operational
23	Temperature tendency due to long-wave radiation	K s-1	Operational
24	Temperature tendency due to short-wave radiation, clear sky	K s-1	Operational
25	Temperature tendency due to long-wave radiation, clear sky	K s-1	Operational
26	Temperature tendency due to parameterization	K s-1	Operational
27	Wet-bulb temperature	K	Operational
28-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.1

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 1: moisture

Code figure	Description	Unit	Status
0	Specific humidity	kg/kg	Operational
1	Relative humidity	%	Operational
2	Humidity mixing ratio	kg/kg	Operational
3	Precipitable water	kg m-2	Operational
4	Vapour pressure	Pa	Operational
5	Saturation deficit	Pa	Operational
6	Evaporation	kg m-2	Operational
7	Precipitation rate	kg m-2 s-1	Deprecated
8	Total precipitation	kg m-2	Operational
9	Large-scale precipitation (non-convective)	kg m-2	Operational
10	Convective precipitation	kg m-2	Operational
11	Snow depth	m	Operational
12	Snowfall rate water equivalent	kg m-2 s-1	Deprecated
13	Water equivalent of accumulated snow depth	kg m-2	Operational
14	Convective snow	kg m-2	Operational
15	Large-scale snow	kg m-2	Operational
16	Snow melt	kg m-2	Operational
17	Snow age	d	Operational
18	Absolute humidity	kg m-3	Operational
19	Precipitation type	Code/Flag Table 4.201	Operational
20	Integrated liquid water	kg m-2	Operational
21	Condensate	kg/kg	Operational
22	Cloud mixing ratio	kg/kg	Operational
23	Ice water mixing ratio	kg/kg	Operational
24	Rain mixing ratio	kg/kg	Operational
25	Snow mixing ratio	kg/kg	Operational
26	Horizontal moisture convergence	kg kg-1 s-1	Operational
27	Maximum relative humidity	%	Deprecated
28	Maximum absolute humidity	kg m-3	Deprecated
29	Total snowfall	m	Operational
30	Precipitable water category	Code/Flag Table 4.202	Operational
31	Hail	m	Operational
32	Graupel (snow pellets)	kg/kg	Operational
33	Categorical rain	Code/Flag Table 4.222	Operational
34	Categorical freezing rain	Code/Flag Table 4.222	Operational
35	Categorical ice pellets	Code/Flag Table 4.222	Operational
36	Categorical snow	Code/Flag Table 4.222	Operational
37	Convective precipitation rate	kg m-2 s-1	Operational
38	Horizontal moisture divergence	kg kg-1 s-1	Operational
39	Per cent frozen precipitation	%	Operational
40	Potential evaporation	kg m-2	Operational
41	Potential evaporation rate	W m-2	Operational
42	Snow cover	%	Operational
43	Rain fraction of total cloud water	Proportion	Operational
44	Rime factor	Numeric	Operational
45	Total column integrated rain	kg m-2	Operational
46	Total column integrated snow	kg m-2	Operational
47	Large scale water precipitation (non-convective)	kg m-2	Deprecated
48	Convective water precipitation	kg m-2	Deprecated
49	Total water precipitation	kg m-2	Deprecated
50	Total snow precipitation	kg m-2	Deprecated
51	Total column water (Vertically integrated total water (vapour + cloud water/ice))	kg m-2	Operational
52	Total precipitation rate	kg m-2 s-1	Operational
53	Total snowfall rate water equivalent	kg m-2 s-1	Operational
54	Large scale precipitation rate	kg m-2 s-1	Operational
55	Convective snowfall rate water equivalent	kg m-2 s-1	Operational
56	Large scale snowfall rate water equivalent	kg m-2 s-1	Operational
57	Total snowfall rate	m/s	Operational
58	Convective snowfall rate	m/s	Operational
59	Large scale snowfall rate	m/s	Operational
60	Snow depth water equivalent	kg m-2	Operational
61	Snow density	kg m-3	Operational
62	Snow evaporation	kg m-2	Operational
63	Reserved		Operational
64	Total column integrated water vapour	kg m-2	Operational
65	Rain precipitation rate	kg m-2 s-1	Operational
66	Snow precipitation rate	kg m-2 s-1	Operational
67	Freezing rain precipitation rate	kg m-2 s-1	Operational
68	Ice pellets precipitation rate	kg m-2 s-1	Operational
69	Total column integrated cloud water	kg m-2	Operational
70	Total column integrated cloud ice	kg m-2	Operational
71	Hail mixing ratio	kg/kg	Operational
72	Total column integrated hail	kg m-2	Operational
73	Hail precipitation rate	kg m-2 s-1	Operational
74	Total column integrated graupel	kg m-2	Operational
75	Graupel (snow pellets) precipitation rate	kg m-2 s-1	Operational
76	Convective rain rate	kg m-2 s-1	Operational
77	Large scale rain rate	kg m-2 s-1	Operational
78	Total column integrated water (all components including precipitation)	kg m-2	Operational
79	Evaporation rate	kg m-2 s-1	Operational
80	Total condensate	kg/kg	Operational
81	Total column-integrated condensate	kg m-2	Operational
82	Cloud ice mixing-ratio	kg/kg	Operational
83	Specific cloud liquid water content	kg/kg	Operational
84	Specific cloud ice water content	kg/kg	Operational
85	Specific rainwater content	kg/kg	Operational
86	Specific snow water content	kg/kg	Operational
87-89	Reserved		Operational
90	Total kinematic moisture flux	kg kg-1 m s-1	Operational
91	u-component (zonal) kinematic moisture flux	kg kg-1 m s-1	Operational
92	v-component (meridional) kinematic moisture flux	kg kg-1 m s-1	Operational
93	Relative humidity with respect to water	%	Operational
94	Relative humidity with respect to ice	%	Operational
95	Freezing or frozen precipitation rate	kg m-2 s-1	Operational
96	Mass density of rain	kg m-3	Operational
97	Mass density of snow	kg m-3	Operational
98	Mass density of graupel	kg m-3	Operational
99	Mass density of hail	kg m-3	Operational
100	Specific number concentration of rain	kg-1	Operational
101	Specific number concentration of snow	kg-1	Operational
102	Specific number concentration of graupel	kg-1	Operational
103	Specific number concentration of hail	kg-1	Operational
104	Number density of rain	m-3	Operational
105	Number density of snow	m-3	Operational
106	Number density of graupel	m-3	Operational
107	Number density of hail	m-3	Operational
108	Specific humidity tendency due to parameterization	kg kg-1 s-1	Operational
109	Mass density of liquid water coating on hail expressed as mass of liquid water per unit volume of air	kg m-3	Operational
110	Specific mass of liquid water coating on hail expressed as mass of liquid water per unit mass of moist air	kg kg-1	Operational
111	Mass mixing ratio of liquid water coating on hail expressed as mass of liquid water per unit mass of dry air	kg kg-1	Operational
112	Mass density of liquid water coating on graupel expressed as mass of liquid water per unit volume of air	kg m-3	Operational
113	Specific mass of liquid water coating on graupel expressed as mass of liquid water per unit mass of moist air	kg kg-1	Operational
114	Mass mixing ratio of liquid water coating on graupel expressed as mass of liquid water per unit mass of dry air	kg kg-1	Operational
115	Mass density of liquid water coating on snow expressed as mass of liquid water per unit volume of air	kg m-3	Operational
116	Specific mass of liquid water coating on snow expressed as mass of liquid water per unit mass of moist air	kg kg-1	Operational
117	Mass mixing ratio of liquid water coating on snow expressed as mass of liquid water per unit mass of dry air	kg kg-1	Operational
118-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.2

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 2: momentum

Code figure	Description	Unit	Status
0	Wind direction (from which blowing)	degree true	Operational
1	Wind speed	m/s	Operational
2	u-component of wind	m/s	Operational
3	v-component of wind	m/s	Operational
4	Stream function	m2/s	Operational
5	Velocity potential	m2/s	Operational
6	Montgomery stream function	m2 s-2	Operational
7	Sigma coordinate vertical velocity	/s	Operational
8	Vertical velocity (pressure)	Pa/s	Operational
9	Vertical velocity (geometric)	m/s	Operational
10	Absolute vorticity	/s	Operational
11	Absolute divergence	/s	Operational
12	Relative vorticity	/s	Operational
13	Relative divergence	/s	Operational
14	Potential vorticity	K m2 kg-1 s-1	Operational
15	Vertical u-component shear	/s	Operational
16	Vertical v-component shear	/s	Operational
17	Momentum flux, u-component	N m-2	Operational
18	Momentum flux, v-component	N m-2	Operational
19	Wind mixing energy	J	Operational
20	Boundary layer dissipation	W m-2	Operational
21	Maximum wind speed	m/s	Deprecated
22	Wind speed (gust)	m/s	Operational
23	u-component of wind (gust)	m/s	Operational
24	v-component of wind (gust)	m/s	Operational
25	Vertical speed shear	/s	Operational
26	Horizontal momentum flux	N m-2	Operational
27	u-component storm motion	m/s	Operational
28	v-component storm motion	m/s	Operational
29	Drag coefficient	Numeric	Operational
30	Frictional velocity	m/s	Operational
31	Turbulent diffusion coefficient for momentum	m2/s	Operational
32	Eta coordinate vertical velocity	/s	Operational
33	Wind fetch	m	Operational
34	Normal wind component	m/s	Operational
35	Tangential wind component	m/s	Operational
36	Amplitude function for Rossby wave envelope for meridional wind	m/s	Operational
37	Northward turbulent surface stress	N m-2 s	Operational
38	Eastward turbulent surface stress	N m-2 s	Operational
39	Eastward wind tendency due to parameterization	m s-2	Operational
40	Northward wind tendency due to parameterization	m s-2	Operational
41	u-component of geostrophic wind	m s-1	Operational
42	v-component of geostrophic wind	m s-1	Operational
43	Geostrophic wind direction	degree true	Operational
44	Geostrophic wind speed	m s-1	Operational
45-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.3

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 3: mass

Code figure	Description	Unit	Status
0	Pressure	Pa	Operational
1	Pressure reduced to MSL	Pa	Operational
2	Pressure tendency	Pa/s	Operational
3	ICAO Standard Atmosphere Reference Height	m	Operational
4	Geopotential	m2 s-2	Operational
5	Geopotential height	gpm	Operational
6	Geometric height	m	Operational
7	Standard deviation of height	m	Operational
8	Pressure anomaly	Pa	Operational
9	Geopotential height anomaly	gpm	Operational
10	Density	kg m-3	Operational
11	Altimeter setting	Pa	Operational
12	Thickness	m	Operational
13	Pressure altitude	m	Operational
14	Density altitude	m	Operational
15	5-wave geopotential height	gpm	Operational
16	Zonal flux of gravity wave stress	N m-2	Operational
17	Meridional flux of gravity wave stress	N m-2	Operational
18	Planetary boundary layer height	m	Operational
19	5-wave geopotential height anomaly	gpm	Operational
20	Standard deviation of sub-grid scale orography	m	Operational
21	Angle of sub-gridscale orography	rad	Operational
22	Slope of sub-gridscale orography	Numeric	Operational
23	Gravity wave dissipation	W m-2	Operational
24	Anisotropy of sub-gridscale orography	Numeric	Operational
25	Natural logarithm of pressure in Pa	Numeric	Operational
26	Exner pressure	Numeric	Operational
27	Updraught mass flux	kg m-2 s-1	Operational
28	Downdraught mass flux	kg m-2 s-1	Operational
29	Updraught detrainment rate	kg m-3 s-1	Operational
30	Downdraught detrainment rate	kg m-3 s-1	Operational
31-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.4

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 4: short-wave radiation

Code figure	Description	Unit	Status
0	Net short-wave radiation flux (surface)	W m-2	Deprecated
1	Net short-wave radiation flux (top of atmosphere)	W m-2	Deprecated
2	Short-wave radiation flux	W m-2	Deprecated
3	Global radiation flux	W m-2	Operational
4	Brightness temperature	K	Operational
5	Radiance (with respect to wave number)	W m-1 sr-1	Operational
6	Radiance (with respect to wavelength)	W m-3 sr-1	Operational
7	Downward short-wave radiation flux	W m-2	Operational
8	Upward short-wave radiation flux	W m-2	Operational
9	Net short wave radiation flux	W m-2	Operational
10	Photosynthetically active radiation	W m-2	Operational
11	Net short-wave radiation flux, clear sky	W m-2	Operational
12	Downward UV radiation	W m-2	Operational
13	Direct short-wave radiation flux	W m-2	Operational
14	Diffuse short-wave radiation flux	W m-2	Operational
15-49	Reserved		Operational
50	UV index (under clear sky)	Numeric	Operational
51	UV index	Numeric	Operational
52	Downward short-wave radiation flux, clear sky	W m-2	Operational
53	Upward short-wave radiation flux, clear sky	W m-2	Operational
54-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.5

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 5: long-wave radiation

Code figure	Description	Unit	Status
0	Net long-wave radiation flux (surface)	W m-2	Deprecated
1	Net long-wave radiation flux (top of atmosphere)	W m-2	Deprecated
2	Long-wave radiation flux	W m-2	Deprecated
3	Downward long-wave radiation flux	W m-2	Operational
4	Upward long-wave radiation flux	W m-2	Operational
5	Net long-wave radiation flux	W m-2	Operational
6	Net long-wave radiation flux, clear sky	W m-2	Operational
7	Brightness temperature	K	Operational
8	Downward long-wave radiation flux, clear sky	W m-2	Operational
9-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.6

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 6: cloud

Code figure	Description	Unit	Status
0	Cloud ice	kg m-2	Operational
1	Total cloud cover	%	Operational
2	Convective cloud cover	%	Operational
3	Low cloud cover	%	Operational
4	Medium cloud cover	%	Operational
5	High cloud cover	%	Operational
6	Cloud water	kg m-2	Operational
7	Cloud amount	%	Operational
8	Cloud type	Code/Flag Table 4.203	Operational
9	Thunderstorm maximum tops	m	Operational
10	Thunderstorm coverage	Code/Flag Table 4.204	Operational
11	Cloud base	m	Operational
12	Cloud top	m	Operational
13	Ceiling	m	Operational
14	Non-convective cloud cover	%	Operational
15	Cloud work function	J/kg	Operational
16	Convective cloud efficiency	Proportion	Operational
17	Total condensate	kg/kg	Deprecated
18	Total column-integrated cloud water	kg m-2	Deprecated
19	Total column-integrated cloud ice	kg m-2	Deprecated
20	Total column-integrated condensate	kg m-2	Deprecated
21	Ice fraction of total condensate	Proportion	Operational
22	Cloud cover	%	Operational
23	Cloud ice mixing ratio	kg/kg	Deprecated
24	Sunshine	Numeric	Operational
25	Horizontal extent of cumulonimbus (CB)	%	Operational
26	Height of convective cloud base	m	Operational
27	Height of convective cloud top	m	Operational
28	Number of cloud droplets per unit mass of air	/kg	Operational
29	Number of cloud ice particles per unit mass of air	/kg	Operational
30	Number density of cloud droplets	m-3	Operational
31	Number density of cloud ice particles	m-3	Operational
32	Fraction of cloud cover	Numeric	Operational
33	Sunshine duration	s	Operational
34	Surface long-wave effective total cloudiness	Numeric	Operational
35	Surface short-wave effective total cloudiness	Numeric	Operational
36	Fraction of stratiform precipitation cover	Proportion	Operational
37	Fraction of convective precipitation cover	Proportion	Operational
38	Mass density of cloud droplets	kg m-3	Operational
39	Mass density of cloud ice	kg m-3	Operational
40	Mass density of convective cloud water droplets	kg m-3	Operational
41-46	Reserved		Operational
47	Volume fraction of cloud water droplets	Numeric	Operational
48	Volume fraction of cloud ice particles	Numeric	Operational
49	Volume fraction of cloud (ice and/or water)	Numeric	Operational
50-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.7

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 7: thermodynamic stability indices

Code figure	Description	Unit	Status
0	Parcel lifted index (to 500 hPa)	K	Operational
1	Best lifted index (to 500 hPa)	K	Operational
2	K index	K	Operational
3	KO index	K	Operational
4	Total totals index	K	Operational
5	Sweat index	Numeric	Operational
6	Convective available potential energy	J/kg	Operational
7	Convective inhibition	J/kg	Operational
8	Storm relative helicity	J/kg	Operational
9	Energy helicity index	Numeric	Operational
10	Surface lifted index	K	Operational
11	Best (4-layer) lifted index	K	Operational
12	Richardson number	Numeric	Operational
13	Showalter index	K	Operational
14	Reserved		Operational
15	Updraught helicity	m2 s-2	Operational
16	Bulk Richardson number	Numeric	Operational
17	Gradient Richardson number	Numeric	Operational
18	Flux Richardson number	Numeric	Operational
19-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.13

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 13: aerosols

Code figure	Description	Unit	Status
0	Aerosol type	Code/Flag Table 4.205	Operational
1-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.14

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 14: trace gases

Code figure	Description	Unit	Status
0	Total ozone	DU	Operational
1	Ozone mixing ratio	kg/kg	Operational
2	Total column integrated ozone	DU	Operational
3-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.15

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 15: radar

Code figure	Description	Unit	Status
0	Base spectrum width	m/s	Operational
1	Base reflectivity	dB	Operational
2	Base radial velocity	m/s	Operational
3	Vertically integrated liquid water (VIL)	kg m-2	Operational
4	Layer-maximum base reflectivity	dB	Operational
5	Precipitation	kg m-2	Operational
6	Radar spectra (1)	-	Operational
7	Radar spectra (2)	-	Operational
8	Radar spectra (3)	-	Operational
9	Reflectivity of cloud droplets	dB	Operational
10	Reflectivity of cloud ice	dB	Operational
11	Reflectivity of snow	dB	Operational
12	Reflectivity of rain	dB	Operational
13	Reflectivity of graupel	dB	Operational
14	Reflectivity of hail	dB	Operational
15	Hybrid scan reflectivity	dB	Operational
16	Hybrid scan reflectivity height	m	Operational
17-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.16

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 16: forecast radar imagery

Code figure	Description	Unit	Status
0	Equivalent radar reflectivity factor for rain	mm6 m-3	Operational
1	Equivalent radar reflectivity factor for snow	mm6 m-3	Operational
2	Equivalent radar reflectivity factor for parameterized convection	mm6 m-3	Operational
3	Echo top	m	Operational
4	Reflectivity	dB	Operational
5	Composite reflectivity	dB	Operational
6-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.17

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 17: electrodynamics

Code figure	Description	Unit	Status
0	Lightning strike density	m-2 s-1	Operational
1	Lightning potential index (LPI)	J kg-1	Operational

4.2.0.18

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 18: nuclear/radiology

Code figure	Description	Unit	Status
0	Air concentration of caesium 137	Bq m-3	Operational
1	Air concentration of iodine 131	Bq m-3	Operational
2	Air concentration of radioactive pollutant	Bq m-3	Operational
3	Ground deposition of caesium 137	Bq m-2	Operational
4	Ground deposition of iodine 131	Bq m-2	Operational
5	Ground deposition of radioactive pollutant	Bq m-2	Operational
6	Time-integrated air concentration of caesium pollutant	Bq s m-3	Operational
7	Time-integrated air concentration of iodine pollutant	Bq s m-3	Operational
8	Time-integrated air concentration of radioactive pollutant	Bq s m-3	Operational
9	Reserved		Operational
10	Air concentration	Bq m-3	Operational
11	Wet deposition	Bq m-2	Operational
12	Dry deposition	Bq m-2	Operational
13	Total deposition (wet + dry)	Bq m-2	Operational
14	Specific activity concentration	Bq kg-1	Operational
15	Maximum of air concentration in layer	Bq m-3	Operational
16	Height of maximum air concentration	m	Operational
17-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.19

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 19: physical atmospheric properties

Code figure	Description	Unit	Status
0	Visibility	m	Operational
1	Albedo	%	Operational
2	Thunderstorm probability	%	Operational
3	Mixed layer depth	m	Operational
4	Volcanic ash	Code/Flag Table 4.206	Operational
5	Icing top	m	Operational
6	Icing base	m	Operational
7	Icing	Code/Flag Table 4.207	Operational
8	Turbulence top	m	Operational
9	Turbulence base	m	Operational
10	Turbulence	Code/Flag Table 4.208	Operational
11	Turbulent kinetic energy	J/kg	Operational
12	Planetary boundary-layer regime	Code/Flag Table 4.209	Operational
13	Contrail intensity	Code/Flag Table 4.210	Operational
14	Contrail engine type	Code/Flag Table 4.211	Operational
15	Contrail top	m	Operational
16	Contrail base	m	Operational
17	Maximum snow albedo	%	Deprecated
18	Snow free albedo	%	Operational
19	Snow albedo	%	Operational
20	Icing	%	Operational
21	In-cloud turbulence	%	Operational
22	Clear air turbulence (CAT)	%	Operational
23	Supercooled large droplet probability	%	Operational
24	Convective turbulent kinetic energy	J/kg	Operational
25	Weather	Code/Flag Table 4.225	Operational
26	Convective outlook	Code/Flag Table 4.224	Operational
27	Icing scenario	Code/Flag Table 4.227	Operational
28	Mountain wave turbulence (eddy dissipation rate)	m2/3 s-1	Operational
29	Clear air turbulence (CAT)	m2/3 s-1	Operational
30	Eddy dissipation parameter	m2/3 s-1	Operational
31	Maximum of Eddy dissipation parameter in layer	m2/3 s-1	Operational
32-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.20

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 20: atmospheric chemical constituents

Code figure	Description	Unit	Status
0	Mass density (concentration)	kg m-3	Operational
1	Column-integrated mass density	kg m-2	Operational
2	Mass mixing ratio (mass fraction in air)	kg/kg	Operational
3	Atmosphere emission mass flux	kg m-2 s-1	Operational
4	Atmosphere net production mass flux	kg m-2 s-1	Operational
5	Atmosphere net production and emission mass flux	kg m-2 s-1	Operational
6	Surface dry deposition mass flux	kg m-2 s-1	Operational
7	Surface wet deposition mass flux	kg m-2 s-1	Operational
8	Atmosphere re-emission mass flux	kg m-2 s-1	Operational
9	Wet deposition by large-scale precipitation mass flux	kg m-2 s-1	Operational
10	Wet deposition by convective precipitation mass flux	kg m-2 s-1	Operational
11	Sedimentation mass flux	kg m-2 s-1	Operational
12	Dry deposition mass flux	kg m-2 s-1	Operational
13	Transfer from hydrophobic to hydrophilic	kg kg-1 s-1	Operational
14	Transfer from SO2 (sulphur dioxide) to SO4 (sulphate)	kg kg-1 s-1	Operational
15-49	Reserved		Operational
50	Amount in atmosphere	mol	Operational
51	Concentration in air	mol m-3	Operational
52	Volume mixing ratio (fraction in air)	mol/mol	Operational
53	Chemical gross production rate of concentration	mol m-3 s-1	Operational
54	Chemical gross destruction rate of concentration	mol m-3 s-1	Operational
55	Surface flux	mol m-2 s-1	Operational
56	Changes of amount in atmosphere	mol/s	Operational
57	Total yearly average burden of the atmosphere	mol	Operational
58	Total yearly averaged atmospheric loss	mol/s	Operational
59	Aerosol number concentration	m-3	Operational
60	Aerosol specific number concentration	kg-1	Operational
61	Maximum of mass density in layer	kg m-3	Operational
62	Height of maximum mass density	m	Operational
63-99	Reserved		Operational
100	Surface area density (aerosol)	/m	Operational
101	Vertical visual range	m	Operational
102	Aerosol optical thickness	Numeric	Operational
103	Single scattering albedo	Numeric	Operational
104	Asymmetry factor	Numeric	Operational
105	Aerosol extinction coefficient	/m	Operational
106	Aerosol absorption coefficient	/m	Operational
107	Aerosol lidar backscatter from satellite	m-1 sr-1	Operational
108	Aerosol lidar backscatter from the ground	m-1 sr-1	Operational
109	Aerosol lidar extinction from satellite	/m	Operational
110	Aerosol lidar extinction from the ground	/m	Operational
111	Angstrom exponent	Numeric	Operational
112-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.190

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 190: CCITT IA5 string

Code figure	Description	Unit	Status
0	Arbitrary text string	CCITT IA5	Operational
1-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.0.191

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 0 - Meteorological products, parameter category 191: miscellaneous

Code figure	Description	Unit	Status
0	Seconds prior to initial reference time (defined in Section 1)	s	Operational
1	Geographical latitude	deg N	Operational
2	Geographical longitude	deg E	Operational
3	Days since last observation	d	Operational
4-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.1.0

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 1 - Hydrological products, parameter category 0: hydrology basic products

Code figure	Description	Unit	Status
0	Flash flood guidance (Encoded as an accumulation over a floating subinterval of time between the reference time and valid time)	kg m-2	Operational
1	Flash flood runoff (Encoded as an accumulation over a floating subinterval of time)	kg m-2	Operational
2	Remotely-sensed snow cover	Code/Flag Table 4.215	Operational
3	Elevation of snow-covered terrain	Code/Flag Table 4.216	Operational
4	Snow water equivalent per cent of normal	%	Operational
5	Baseflow-groundwater runoff	kg m-2	Operational
6	Storm surface runoff	kg m-2	Operational
7	Discharge from rivers or streams	m3/s	Operational
8	Groundwater upper storage	kg m-2	Operational
9	Groundwater lower storage	kg m-2	Operational
10	Side flow into river channel	m3 s-1 m-1	Operational
11	River storage of water	m3	Operational
12	Floodplain storage of water	m3	Operational
13	Depth of water on soil surface	kg m-2	Operational
14	Upstream accumulated precipitation	kg m-2	Operational
15	Upstream accumulated snow melt	kg m-2	Operational
16	Percolation rate	kg m-2 s-1	Operational
17-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.1.1

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 1 - Hydrological products, parameter category 1: hydrology probabilities

Code figure	Description	Unit	Status
0	Conditional per cent precipitation amount fractile for an overall period (Encoded as an accumulation)	kg m-2	Operational
1	Per cent precipitation in a sub-period of an overall period (Encoded as per cent accumulation over the sub-period)	%	Operational
2	Probability of 0.01 inch of precipitation (POP)	%	Operational
3-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.1.2

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 1 - Hydrological products, parameter category 2: inland water and sediment properties

Code figure	Description	Unit	Status
0	Water depth	m	Operational
1	Water temperature	K	Operational
2	Water fraction	Proportion	Operational
3	Sediment thickness	m	Operational
4	Sediment temperature	K	Operational
5	Ice thickness	m	Operational
6	Ice temperature	K	Operational
7	Ice cover	Proportion	Operational
8	Land cover (0 = water, 1 = land)	Proportion	Operational
9	Shape factor with respect to salinity profile	-	Operational
10	Shape factor with respect to temperature profile in thermocline	-	Operational
11	Attenuation coefficient of water with respect to solar radiation	/m	Operational
12	Salinity	kg/kg	Operational
13	Cross-sectional area of flow in channel	m2	Operational

4.2.2.0

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 2 - Land surface products, parameter category 0: vegetation/biomass

Code figure	Description	Unit	Status
0	Land cover (0 = sea, 1 = land)	Proportion	Operational
1	Surface roughness	m	Operational
2	Soil temperature	K	Deprecated
3	Soil moisture content	kg m-2	Deprecated
4	Vegetation	%	Operational
5	Water runoff	kg m-2	Operational
6	Evapotranspiration	kg-2 s-1	Operational
7	Model terrain height	m	Operational
8	Land use	Code/Flag Table 4.212	Operational
9	Volumetric soil moisture content	Proportion	Deprecated
10	Ground heat flux	W m-2	Deprecated
11	Moisture availability	%	Operational
12	Exchange coefficient	kg m-2 s-1	Operational
13	Plant canopy surface water	kg m-2	Operational
14	Blackadar’s mixing length scale	m	Operational
15	Canopy conductance	m/s	Operational
16	Minimal stomatal resistance	s/m	Operational
17	Wilting point	Proportion	Deprecated
18	Solar parameter in canopy conductance	Proportion	Operational
19	Temperature parameter in canopy	Proportion	Operational
20	Humidity parameter in canopy conductance	Proportion	Operational
21	Soil moisture parameter in canopy conductance	Proportion	Operational
22	Soil moisture	kg m-3	Deprecated
23	Column-integrated soil water	kg m-2	Deprecated
24	Heat flux	W m-2	Operational
25	Volumetric soil moisture	m3 m-3	Operational
26	Wilting point	kg m-3	Operational
27	Volumetric wilting point	m3 m-3	Operational
28	Leaf area index	Numeric	Operational
29	Evergreen forest cover	Proportion	Operational
30	Deciduous forest cover	Proportion	Operational
31	Normalized differential vegetation index (NDVI)	Numeric	Operational
32	Root depth of vegetation	m	Operational
33	Water runoff and drainage	kg m-2	Operational
34	Surface water runoff	kg m-2	Operational
35	Tile class	Code/Flag Table 4.243	Operational
36	Tile fraction	Proportion	Operational
37	Tile percentage	%	Operational
38	Soil volumetric ice content (water equivalent)	m3 m-3	Operational
39-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.2.3

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 2 - Land surface products, parameter category 3: soil products

Code figure	Description	Unit	Status
0	Soil type	Code/Flag Table 4.213	Operational
1	Upper layer soil temperature	K	Deprecated
2	Upper layer soil moisture	kg m-3	Deprecated
3	Lower layer soil moisture	kg m-3	Deprecated
4	Bottom layer soil temperature	K	Deprecated
5	Liquid volumetric soil moisture (non-frozen)	Proportion	Deprecated
6	Number of soil layers in root zone	Numeric	Operational
7	Transpiration stress-onset (soil moisture)	Proportion	Deprecated
8	Direct evaporation cease (soil moisture)	Proportion	Deprecated
9	Soil porosity	Proportion	Deprecated
10	Liquid volumetric soil moisture (non-frozen)	m3 m-3	Operational
11	Volumetric transpiration stress-onset (soil moisture)	m3 m-3	Operational
12	Transpiration stress-onset (soil moisture)	kg m-3	Operational
13	Volumetric direct evaporation cease (soil moisture)	m3 m-3	Operational
14	Direct evaporation cease (soil moisture)	kg m-3	Operational
15	Soil porosity	m3 m-3	Operational
16	Volumetric saturation of soil moisture	m3 m-3	Operational
17	Saturation of soil moisture	kg m-3	Operational
18	Soil temperature	K	Operational
19	Soil moisture	kg m-3	Operational
20	Column-integrated soil moisture	kg m-2	Operational
21	Soil ice	kg m-3	Operational
22	Column-integrated soil ice	kg m-2	Operational
23	Liquid water in snow pack	kg m-2	Operational
24	Frost index	K day-1	Operational
25	Snow depth at elevation bands	kg m-2	Operational
26	Soil heat flux	W m-2	Operational
27	Soil depth	m	Operational
28-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.2.4

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 2 - Land surface products, parameter category 4: fire weather products

Code figure	Description	Unit	Status
0	Fire outlook	Code/Flag Table 4.224	Operational
1	Fire outlook due to dry thunderstorm	Code/Flag Table 4.224	Operational
2	Haines index	Numeric	Operational
3	Fire burned area	%	Operational
4	Fosberg index	Numeric	Operational
5	Forest Fire Weather Index (Canadian Forest Service)	Numeric	Operational
6	Fine Fuel Moisture Code (Canadian Forest Service)	Numeric	Operational
7	Duff Moisture Code (Canadian Forest Service)	Numeric	Operational
8	Drought Code (Canadian Forest Service)	Numeric	Operational
9	Initial Fire Spread Index (Canadian Forest Service)	Numeric	Operational
10	Fire Buildup Index (Canadian Forest Service)	Numeric	Operational
11	Fire Daily Severity Rating (Canadian Forest Service)	Numeric	Operational
12-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.2.5

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 2 - Land surface products, parameter category 5: glaciers and inland ice

Code figure	Description	Unit	Status
1	Glacier temperature	K	Operational

4.2.3.0

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 3 - Space products, parameter category 0: image format products

Code figure	Description	Unit	Status
0	Scaled radiance	Numeric	Operational
1	Scaled albedo	Numeric	Operational
2	Scaled brightness temperature	Numeric	Operational
3	Scaled precipitable water	Numeric	Operational
4	Scaled lifted index	Numeric	Operational
5	Scaled cloud top pressure	Numeric	Operational
6	Scaled skin temperature	Numeric	Operational
7	Cloud mask	Code/Flag Table 4.217	Operational
8	Pixel scene type	Code/Flag Table 4.218	Operational
9	Fire detection indicator	Code/Flag Table 4.223	Operational
10-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.3.1

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 3 - Space products, parameter category 1: quantitative products

Code figure	Description	Unit	Status
0	Estimated precipitation	kg m-2	Operational
1	Instantaneous rain rate	kg m-2 s-1	Operational
2	Cloud top height	m	Operational
3	Cloud top height quality indicator	Code/Flag Table 4.219	Operational
4	Estimated u-component of wind	m/s	Operational
5	Estimated v-component of wind	m/s	Operational
6	Number of pixel used	Numeric	Operational
7	Solar zenith angle	deg	Operational
8	Relative azimuth angle	deg	Operational
9	Reflectance in 0.6 micron channel	%	Operational
10	Reflectance in 0.8 micron channel	%	Operational
11	Reflectance in 1.6 micron channel	%	Operational
12	Reflectance in 3.9 micron channel	%	Operational
13	Atmospheric divergence	/s	Operational
14	Cloudy brightness temperature	K	Operational
15	Clear-sky brightness temperature	K	Operational
16	Cloudy radiance (with respect to wave number)	W m-1 sr-1	Operational
17	Clear-sky radiance (with respect to wave number)	W m-1 sr-1	Operational
18	Reserved		Operational
19	Wind speed	m/s	Operational
20	Aerosol optical thickness at 0.635 μm		Operational
21	Aerosol optical thickness at 0.810 μm		Operational
22	Aerosol optical thickness at 1.640 μm		Operational
23	Angstrom coefficient		Operational
24-26	Reserved		Operational
27	Bidirectional reflectance factor	Numeric	Operational
28	Brightness temperature	K	Operational
29	Scaled radiance	Numeric	Operational
30-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.3.2

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 3 - Space products, parameter category 2: cloud properties

Code figure	Description	Unit	Status
0	Clear sky probability	%	Operational
1	Cloud top temperature	K	Operational
2	Cloud top pressure	Pa	Operational
3	Cloud type	Code/Flag Table 4.218	Operational
4	Cloud phase	Code/Flag Table 4.218	Operational
5	Cloud optical depth	Numeric	Operational
6	Cloud particle effective radius	m	Operational
7	Cloud liquid water path	kg m-2	Operational
8	Cloud ice water path	kg m-2	Operational
9	Cloud albedo	Numeric	Operational
10	Cloud emissivity	Numeric	Operational
11	Effective absorption optical depth ratio	Numeric	Operational

4.2.3.3

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 3 - Space products, parameter category 3: flight rule conditions

Code figure	Description	Unit	Status
0	Probability of encountering marginal visual flight rule conditions	%	Operational
1	Probability of encountering low instrument flight rule conditions	%	Operational
2	Probability of encountering instrument flight rule conditions	%	Operational

4.2.3.4

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 3 - Space products, parameter category 4: volcanic ash

Code figure	Description	Unit	Status
0	Volcanic ash probability	%	Operational
1	Volcanic ash cloud top temperature	K	Operational
2	Volcanic ash cloud top pressure	Pa	Operational
3	Volcanic ash cloud top height	m	Operational
4	Volcanic ash cloud emissivity	Numeric	Operational
5	Volcanic ash effective absorption optical depth ratio	Numeric	Operational
6	Volcanic ash cloud optical depth	Numeric	Operational
7	Volcanic ash column density	kg m-2	Operational
8	Volcanic ash particle effective radius	m	Operational

4.2.3.5

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 3 - Space products, parameter category 5: sea-surface temperature

Code figure	Description	Unit	Status
0	Interface sea-surface temperature	K	Operational
1	Skin sea-surface temperature	K	Operational
2	Sub-skin sea-surface temperature	K	Operational
3	Foundation sea-surface temperature	K	Operational
4	Estimated bias between sea-surface temperature and standard	K	Operational
5	Estimated standard deviation between sea surface temperature and standard	K	Operational

4.2.3.6

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 3 - Space products, parameter category 6: solar radiation

Code figure	Description	Unit	Status
0	Global solar irradiance	W m-2	Operational
1	Global solar exposure	J m-2	Operational
2	Direct solar irradiance	W m-2	Operational
3	Direct solar exposure	J m-2	Operational
4	Diffuse solar irradiance	W m-2	Operational
5	Diffuse solar exposure	J m-2	Operational

4.2.10.0

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 10 - Oceanographic products, parameter category 0: waves

Code figure	Description	Unit	Status
0	Wave spectra (1)	-	Operational
1	Wave spectra (2)	-	Operational
2	Wave spectra (3)	-	Operational
3	Significant height of combined wind waves and swell	m	Operational
4	Direction of wind waves	degree true	Operational
5	Significant height of wind waves	m	Operational
6	Mean period of wind waves	s	Operational
7	Direction of swell waves	degree true	Operational
8	Significant height of swell waves	m	Operational
9	Mean period of swell waves	s	Operational
10	Primary wave direction	degree true	Operational
11	Primary wave mean period	s	Operational
12	Secondary wave direction	degree true	Operational
13	Secondary wave mean period	s	Operational
14	Direction of combined wind waves and swell	degree true	Operational
15	Mean period of combined wind waves and swell	s	Operational
16	Coefficient of drag with waves	-	Operational
17	Friction velocity	m/s	Operational
18	Wave stress	N m-2	Operational
19	Normalized wave stress	-	Operational
20	Mean square slope of waves	-	Operational
21	u-component surface Stokes drift	m/s	Operational
22	v-component surface Stokes drift	m/s	Operational
23	Period of maximum individual wave height	s	Operational
24	Maximum individual wave height	m	Operational
25	Inverse mean wave frequency	s	Operational
26	Inverse mean frequency of wind waves	s	Operational
27	Inverse mean frequency of total swell	s	Operational
28	Mean zero-crossing wave period	s	Operational
29	Mean zero-crossing period of wind waves	s	Operational
30	Mean zero-crossing period of total swell	s	Operational
31	Wave directional width	-	Operational
32	Directional width of wind waves	-	Operational
33	Directional width of total swell	-	Operational
34	Peak wave period	s	Operational
35	Peak period of wind waves	s	Operational
36	Peak period of total swell	s	Operational
37	Altimeter wave height	m	Operational
38	Altimeter corrected wave height	m	Operational
39	Altimeter range relative correction	-	Operational
40	10-metre neutral wind speed over waves	m/s	Operational
41	10-metre wind direction over waves	deg	Operational
42	Wave energy spectrum	m2 s rad-1	Operational
43	Kurtosis of the sea-surface elevation due to waves	-	Operational
44	Benjamin-Feir index	-	Operational
45	Spectral peakedness factor	/s	Operational
46-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.10.1

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 10 - Oceanographic products, parameter category 1: currents

Code figure	Description	Unit	Status
0	Current direction	degree true	Operational
1	Current speed	m/s	Operational
2	u-component of current	m/s	Operational
3	v-component of current	m/s	Operational
4-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.10.2

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 10 - Oceanographic products, parameter category 2: ice

Code figure	Description	Unit	Status
0	Ice cover	Proportion	Operational
1	Ice thickness	m	Operational
2	Direction of ice drift	degree true	Operational
3	Speed of ice drift	m/s	Operational
4	u-component of ice drift	m/s	Operational
5	v-component of ice drift	m/s	Operational
6	Ice growth rate	m/s	Operational
7	Ice divergence	/s	Operational
8	Ice temperature	K	Operational
9	Module of ice internal pressure	Pa m	Operational
10	Zonal vector component of vertically integrated ice internal pressure	Pa m	Operational
11	Meridional vector component of vertically integrated ice internal pressure	Pa m	Operational
12	Compressive ice strength	N/m	Operational
13-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.10.3

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 10 - Oceanographic products, parameter category 3: surface properties

Code figure	Description	Unit	Status
0	Water temperature	K	Operational
1	Deviation of sea level from mean	m	Operational
2-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.10.4

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 10 - Oceanographic products, parameter category 4: subsurface properties

Code figure	Description	Unit	Status
0	Main thermocline depth	m	Operational
1	Main thermocline anomaly	m	Operational
2	Transient thermocline depth	m	Operational
3	Salinity	kg/kg	Operational
4	Ocean vertical heat diffusivity	m2/s	Operational
5	Ocean vertical salt diffusivity	m2/s	Operational
6	Ocean vertical momentum diffusivity	m2/s	Operational
7	Bathymetry	m	Operational
8-10	Reserved		Operational
11	Shape factor with respect to salinity profile	-	Operational
12	Shape factor with respect to temperature profile in thermocline	-	Operational
13	Attenuation coefficient of water with respect to solar radiation	/m	Operational
14	Water depth	m	Operational
15	Water temperature	K	Operational
16-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.2.10.191

Code table 4.2 - Parameter number by product discipline and parameter category # Product discipline 10 - Oceanographic products, parameter category 191: miscellaneous

Code figure	Description	Unit	Status
0	Seconds prior to initial reference time (defined in Section 1)	s	Operational
1	Meridional overturning stream function	m3/s	Operational
2	Reserved		Operational
3	Days since last observation	d	Operational
4-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.3

Code table 4.3 - Type of generating process

Code figure	Description	Status
0	Analysis	Operational
1	Initialization	Operational
2	Forecast	Operational
3	Bias corrected forecast	Operational
4	Ensemble forecast	Operational
5	Probability forecast	Operational
6	Forecast error	Operational
7	Analysis error	Operational
8	Observation	Operational
9	Climatological	Operational
10	Probability-weighted forecast	Operational
11	Bias-corrected ensemble forecast	Operational
12	Post-processed analysis	Operational
13	Post-processed forecast	Operational
14	Nowcast	Operational
15	Hindcast	Operational
16	Physical retrieval	Operational
17	Regression analysis	Operational
18-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.4

Code table 4.4 - Indicator of unit of time range

Code figure	Description	Status
0	Minute	Operational
1	Hour	Operational
2	Day	Operational
3	Month	Operational
4	Year	Operational
5	Decade (10 years)	Operational
6	Normal (30 years)	Operational
7	Century (100 years)	Operational
8-9	Reserved	Operational
10	3 hours	Operational
11	6 hours	Operational
12	12 hours	Operational
13	Second	Operational
14-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.5

Code table 4.5 - Fixed surface types and units

Code figure	Description	Unit	Status
0	Reserved		Operational
1	Ground or water surface	-	Operational
2	Cloud base level	-	Operational
3	Level of cloud tops	-	Operational
4	Level of 0 °C isotherm	-	Operational
5	Level of adiabatic condensation lifted from the surface	-	Operational
6	Maximum wind level	-	Operational
7	Tropopause	-	Operational
8	Nominal top of the atmosphere	-	Operational
9	Sea bottom	-	Operational
10	Entire atmosphere	-	Operational
11	Cumulonimbus (CB) base	m	Operational
12	Cumulonimbus (CB) top	m	Operational
13	Lowest level where vertically integrated cloud cover exceeds the specified percentage (cloud base for a given percentage cloud cover)	%	Operational
14	Level of free convection (LFC)	-	Operational
15	Convective condensation level (CCL)	-	Operational
16	Level of neutral buoyancy or equilibrium level (LNB)	-	Operational
17-19	Reserved		Operational
20	Isothermal level	K	Operational
21-99	Reserved		Operational
100	Isobaric surface	Pa	Operational
101	Mean sea level		Operational
102	Specific altitude above mean sea level	m	Operational
103	Specified height level above ground	m	Operational
104	Sigma level	"sigma" value	Operational
105	Hybrid level	-	Operational
106	Depth below land surface	m	Operational
107	Isentropic (theta) level	K	Operational
108	Level at specified pressure difference from ground to level	Pa	Operational
109	Potential vorticity surface	K m2 kg-1 s-1	Operational
110	Reserved		Operational
111	Eta level	-	Operational
112	Reserved		Operational
113	Logarithmic hybrid level		Operational
114	Snow level	Numeric	Operational
115-116	Reserved		Operational
117	Mixed layer depth	m	Operational
118	Hybrid height level	-	Operational
119	Hybrid pressure level	-	Operational
120-149	Reserved		Operational
150	Generalized vertical height coordinate		Operational
151	Soil level	Numeric	Operational
152-159	Reserved		Operational
160	Depth below sea level	m	Operational
161	Depth below water surface	m	Operational
162	Lake or river bottom	-	Operational
163	Bottom of sediment layer	-	Operational
164	Bottom of thermally active sediment layer	-	Operational
165	Bottom of sediment layer penetrated by thermal wave	-	Operational
166	Mixing layer	-	Operational
167	Bottom of root zone	-	Operational
168-173	Reserved		Operational
174	Top surface of ice on sea, lake or river	-	Operational
175	Top surface of ice, under snow cover, on sea, lake or river	-	Operational
176	Bottom surface (underside) ice on sea, lake or river	-	Operational
177	Deep soil (of indefinite depth)	-	Operational
178	Reserved	-	Operational
179	Top surface of glacier ice and inland ice	-	Operational
180	Deep inland or glacier ice (of indefinite depth)	-	Operational
181	Grid tile land fraction as a model surface	-	Operational
182	Grid tile water fraction as a model surface	-	Operational
183	Grid tile ice fraction on sea, lake or river as a model surface	-	Operational
184	Grid tile glacier ice and inland ice fraction as a model surface	-	Operational
185-191	Reserved		Operational
192-254	Reserved for local use		Operational
255	Missing		Operational

4.6

Code table 4.6 - Type of ensemble forecast

Code figure	Description	Status
0	Unperturbed high-resolution control forecast	Operational
1	Unperturbed low-resolution control forecast	Operational
2	Negatively perturbed forecast	Operational
3	Positively perturbed forecast	Operational
4	Multi-model forecast	Operational
5-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.7

Code table 4.7 - Derived forecast

Code figure	Description	Status
0	Unweighted mean of all members	Operational
1	Weighted mean of all members	Operational
2	Standard deviation with respect to cluster mean	Operational
3	Standard deviation with respect to cluster mean, normalized	Operational
4	Spread of all members	Operational
5	Large anomaly index of all members	Operational
6	Unweighted mean of the cluster members	Operational
7	Interquartile range (range between the 25th and 75th quantile)	Operational
8	Minimum of all ensemble members	Operational
9	Maximum of all ensemble members	Operational
10-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.8

Code table 4.8 - Clustering method

Code figure	Description	Status
0	Anomaly correlation	Operational
1	Root mean square	Operational
2-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.9

Code table 4.9 - Probability type

Code figure	Description	Status
0	Probability of event below lower limit	Operational
1	Probability of event above upper limit	Operational
2	Probability of event between lower and upper limits (the range includes the lower limit but not the upper limit)	Operational
3	Probability of event above lower limit	Operational
4	Probability of event below upper limit	Operational
5-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.10

Code table 4.10 - Type of statistical processing

Code figure	Description	Status
0	Average	Operational
1	Accumulation	Operational
2	Maximum	Operational
3	Minimum	Operational
4	Difference (value at the end of time range minus value at the beginning)	Operational
5	Root mean square	Operational
6	Standard deviation	Operational
7	Covariance (temporal variance)	Operational
8	Difference (value at the start of time range minus value at the end)	Operational
9	Ratio	Operational
10	Standardized anomaly	Operational
11	Summation	Operational
12-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.11

Code table 4.11 - Type of time intervals

Code figure	Description	Status
0	Reserved	Operational
1	Successive times processed have same forecast time, start time of forecast is incremented	Operational
2	Successive times processed have same start time of forecast, forecast time is incremented	Operational
3	Successive times processed have start time of forecast incremented and forecast time decremented so that valid time remains constant	Operational
4	Successive times processed have start time of forecast decremented and forecast time incremented so that valid time remains constant	Operational
5	Floating subinterval of time between forecast time and end of overall time interval	Operational
6-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.12

Code table 4.12 - Operating mode

Code figure	Description	Status
0	Maintenance mode	Operational
1	Clear air	Operational
2	Precipitation	Operational
3-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.13

Code table 4.13 - Quality control indicator

Code figure	Description	Status
0	No quality control applied	Operational
1	Quality control applied	Operational
2-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.14

Code table 4.14 - Clutter filter indicator

Code figure	Description	Status
0	No clutter filter used	Operational
1	Clutter filter used	Operational
2-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.15

Code table 4.15 - Type of spatial processing used to arrive at given data value from the source data

Code figure	Description	Status
0	Data is calculated directly from the source grid with no interpolation	Operational
1	Bilinear interpolation using the 4 source grid grid-point values surrounding the nominal grid-point	Operational
2	Bicubic interpolation using the 4 source grid grid-point values surrounding the nominal grid-point	Operational
3	Using the value from the source grid grid-point which is nearest to the nominal grid-point	Operational
4	Budget interpolation using the 4 source grid grid-point values surrounding the nominal grid-point	Operational
5	Spectral interpolation using the 4 source grid grid-point values surrounding the nominal grid-point	Operational
6	Neighbor-budget interpolation using the 4 source grid grid-point values surrounding the nominal grid-point	Operational
7-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.91

Code table 4.91 - Type of Interval

Code figure	Description	Status
0	Smaller than first limit	Operational
1	Greater than second limit	Operational
2	Between first and second limit. The range includes the first limit but not the second limit	Operational
3	Greater than first limit	Operational
4	Smaller than second limit	Operational
5	Smaller or equal first limit	Operational
6	Greater or equal second limit	Operational
7	Between first and second. The range includes the first limit and the second limit	Operational
8	Greater or equal first limit	Operational
9	Smaller or equal second limit	Operational
10	Between first and second limit. The range includes the second limit but not the first limit	Operational
11	Equal to first limit	Operational
12-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.201

Code table 4.201 - Precipitation type

Code figure	Description	Status
0	Reserved	Operational
1	Rain	Operational
2	Thunderstorm	Operational
3	Freezing rain	Operational
4	Mixed/ice	Operational
5	Snow	Operational
6	Wet snow	Operational
7	Mixture of rain and snow	Operational
8	Ice pellets	Operational
9	Graupel	Operational
10	Hail	Operational
11-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.202

Code table 4.202 - Precipitable water category

Code figure	Description	Status
0-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.203

Code table 4.203 - Cloud type

Code figure	Description	Status
0	Clear	Operational
1	Cumulonimbus	Operational
2	Stratus	Operational
3	Stratocumulus	Operational
4	Cumulus	Operational
5	Altostratus	Operational
6	Nimbostratus	Operational
7	Altocumulus	Operational
8	Cirrostratus	Operational
9	Cirrocumulus	Operational
10	Cirrus	Operational
11	Cumulonimbus - ground-based fog beneath the lowest layer	Operational
12	Stratus - ground-based fog beneath the lowest layer	Operational
13	Stratocumulus - ground-based fog beneath the lowest layer	Operational
14	Cumulus - ground-based fog beneath the lowest layer	Operational
15	Altostratus - ground-based fog beneath the lowest layer	Operational
16	Nimbostratus - ground-based fog beneath the lowest layer	Operational
17	Altocumulus - ground-based fog beneath the lowest layer	Operational
18	Cirrostratus - ground-based fog beneath the lowest layer	Operational
19	Cirrocumulus - ground-based fog beneath the lowest layer	Operational
20	Cirrus - ground-based fog beneath the lowest layer	Operational
21-190	Reserved	Operational
191	Unknown	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.204

Code table 4.204 - Thunderstorm coverage

Code figure	Description	Status
0	None	Operational
1	Isolated (1-2%)	Operational
2	Few (3-5%)	Operational
3	Scattered (6-45%)	Operational
4	Numerous (> 45%)	Operational
5-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.205

Code table 4.205 - Presence of aerosol

Code figure	Description	Status
0	Aerosol not present	Operational
1	Aerosol present	Operational
2-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.206

Code table 4.206 - Volcanic ash

Code figure	Description	Status
0	Not present	Operational
1	Present	Operational
2-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.207

Code table 4.207 - Icing

Code figure	Description	Status
0	None	Operational
1	Light	Operational
2	Moderate	Operational
3	Severe	Operational
4	Trace	Operational
5	Heavy	Operational
6-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.208

Code table 4.208 - Turbulence

Code figure	Description	Status
0	None (smooth)	Operational
1	Light	Operational
2	Moderate	Operational
3	Severe	Operational
4	Extreme	Operational
5-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.209

Code table 4.209 - Planetary boundary-layer regime

Code figure	Description	Status
0	Reserved	Operational
1	Stable	Operational
2	Mechanically driven turbulence	Operational
3	Forced convection	Operational
4	Free convection	Operational
5-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.210

Code table 4.210 - Contrail intensity

Code figure	Description	Status
0	Contrail not present	Operational
1	Contrail present	Operational
2-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.211

Code table 4.211 - Contrail engine type

Code figure	Description	Status
0	Low bypass	Operational
1	High bypass	Operational
2	Non-bypass	Operational
3-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.212

Code table 4.212 - Land use

Code figure	Description	Status
0	Reserved	Operational
1	Urban land	Operational
2	Agriculture	Operational
3	Range land	Operational
4	Deciduous forest	Operational
5	Coniferous forest	Operational
6	Forest/wetland	Operational
7	Water	Operational
8	Wetlands	Operational
9	Desert	Operational
10	Tundra	Operational
11	Ice	Operational
12	Tropical forest	Operational
13	Savannah	Operational
14-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.213

Code table 4.213 - Soil type

Code figure	Description	Status
0	Reserved	Operational
1	Sand	Operational
2	Loamy sand	Operational
3	Sandy loam	Operational
4	Silt loam	Operational
5	Organic (redefined)	Operational
6	Sandy clay loam	Operational
7	Silt clay loam	Operational
8	Clay loam	Operational
9	Sandy clay	Operational
10	Silty clay	Operational
11	Clay	Operational
12-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.215

Code table 4.215 - Remotely sensed snow coverage

Code figure	Description	Status
0-49	Reserved	Operational
50	No-snow/no-cloud	Operational
51-99	Reserved	Operational
100	Clouds	Operational
101-249	Reserved	Operational
250	Snow	Operational
251-254	Reserved for local use	Operational
255	Missing	Operational

4.216

Code table 4.216 - Elevation of snow-covered terrain

Code figure	Description	Status
0-90	Elevation in increments of 100 m	Operational
91-253	Reserved	Operational
254	Clouds	Operational
255	Missing	Operational

4.217

Code table 4.217 - Cloud mask type

Code figure	Description	Status
0	Clear over water	Operational
1	Clear over land	Operational
2	Cloud	Operational
3	No data	Operational
4-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.218

Code table 4.218 - Pixel scene type

Code figure	Description	Status
0	No scene identified	Operational
1	Green needle-leafed forest	Operational
2	Green broad-leafed forest	Operational
3	Deciduous needle-leafed forest	Operational
4	Deciduous broad-leafed forest	Operational
5	Deciduous mixed forest	Operational
6	Closed shrub-land	Operational
7	Open shrub-land	Operational
8	Woody savannah	Operational
9	Savannah	Operational
10	Grassland	Operational
11	Permanent wetland	Operational
12	Cropland	Operational
13	Urban	Operational
14	Vegetation/crops	Operational
15	Permanent snow/ice	Operational
16	Barren desert	Operational
17	Water bodies	Operational
18	Tundra	Operational
19	Warm liquid water cloud	Operational
20	Supercooled liquid water cloud	Operational
21	Mixed-phase cloud	Operational
22	Optically thin ice cloud	Operational
23	Optically thick ice cloud	Operational
24	Multilayered cloud	Operational
25-96	Reserved	Operational
97	Snow/ice on land	Operational
98	Snow/ice on water	Operational
99	Sun-glint	Operational
100	General cloud	Operational
101	Low cloud/fog/Stratus	Operational
102	Low cloud/Stratocumulus	Operational
103	Low cloud/unknown type	Operational
104	Medium cloud/Nimbostratus	Operational
105	Medium cloud/Altostratus	Operational
106	Medium cloud/unknown type	Operational
107	High cloud/Cumulus	Operational
108	High cloud/Cirrus	Operational
109	High cloud/unknown	Operational
110	Unknown cloud type	Operational
111-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.219

Code table 4.219 - Cloud top height quality indicator

Code figure	Description	Status
0	Nominal cloud top height quality	Operational
1	Fog in segment	Operational
2	Poor quality height estimation	Operational
3	Fog in segment and poor quality height estimation	Operational
4-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.220

Code table 4.220 - Horizontal dimension processed

Code figure	Description	Status
0	Latitude	Operational
1	Longitude	Operational
2-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.221

Code table 4.221 - Treatment of missing data

Code figure	Description	Status
0	Not included	Operational
1	Extrapolated	Operational
2-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.222

Code table 4.222 - Categorical result

Code figure	Description	Status
0	No	Operational
1	Yes	Operational
2-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

4.223

Code table 4.223 - Fire detection indicator

Code figure	Description	Status
0	No fire detected	Operational
1	Possible fire detected	Operational
2	Probable fire detected	Operational
3	Missing	Operational

4.224

Code table 4.224 - Categorical outlook

Code figure	Description	Status
0	No risk area	Operational
1	Reserved	Operational
2	General thunderstorm risk area	Operational
3	Reserved	Operational
4	Slight risk area	Operational
5	Reserved	Operational
6	Moderate risk area	Operational
7	Reserved	Operational
8	High risk area	Operational
9-10	Reserved	Operational
11	Dry thunderstorm (dry lightning) risk area	Operational
12-13	Reserved	Operational
14	Critical risk area	Operational
15-17	Reserved	Operational
18	Extremely critical risk area	Operational
19-254	Reserved	Operational
255	Missing	Operational

4.225

Code table 4.225 - Weather

Code figure	Description	Unit	Status
	(see FM 94 BUFR/FM 95 CREX Code table 0 20 003 - Present weather)		Operational

4.227

Code table 4.227 - Icing scenario (weather/cloud classification)

Code figure	Description	Status
0	None	Operational
1	General	Operational
2	Convective	Operational
3	Stratiform	Operational
4	Freezing	Operational
5-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing value	Operational

4.230

Code table 4.230 - Atmospheric chemical constituent type

Code figure	Description	Unit	Status
	(See Common Code table C-14)		Operational

4.233

Code table 4.233 - Aerosol type

Code figure	Description	Unit	Status
	(See Common Code table C-14)		Operational

4.234

Code table 4.234 - Canopy cover fraction (to be used as partitioned parameter in product definition template 4.53 or 4.54)

Code figure	Description	Status
1	Crops, mixed farming	Operational
2	Short grass	Operational
3	Evergreen needleleaf trees	Operational
4	Deciduous needleleaf trees	Operational
5	Deciduous broadleaf trees	Operational
6	Evergreen broadleaf trees	Operational
7	Tall grass	Operational
8	Desert	Operational
9	Tundra	Operational
10	Irrigated crops	Operational
11	Semidesert	Operational
12	Ice caps and glaciers	Operational
13	Bogs and marshes	Operational
14	Inland water	Operational
15	Ocean	Operational
16	Evergreen shrubs	Operational
17	Deciduous shrubs	Operational
18	Mixed forest	Operational
19	Interrupted forest	Operational
20	Water and land mixtures	Operational

4.236

Code table 4.236 - Soil texture fraction (to be used as partitioned parameter in product definition template 4.53 or 4.54)

Code figure	Description	Status
1	Coarse	Operational
2	Medium	Operational
3	Medium-fine	Operational
4	Fine	Operational
5	Very-fine	Operational
6	Organic	Operational
7	Tropical-organic	Operational

4.240

Code table 4.240 - Type of distribution function

Code figure	Description	Status
0	No specific distribution function given	Operational
1	Delta functions with spatially variable concentration and fixed diameters Dl (p1) in metre	Operational
2	Delta functions with spatially variable concentration and fixed masses Ml (p1) in kg	Operational
3	Gaussian (normal) distribution with spatially variable concentration and fixed mean diameter Dl (p1) and variance σ (p2)	Operational
4	Gaussian (normal) distribution with spatially variable concentration, mean diameter and variance	Operational
5	Log-normal distribution with spatially variable number density, mean diameter and variance	Operational
6	Log-normal distribution with spatially variable number density, mean diameter and fixed variance σ (p1)	Operational
7	Log-normal distribution with spatially variable number density and mass density and fixed variance σ (p1) and fixed particle density ρ (p2)	Operational
8-49151	Reserved	Operational
49152-65534	Reserved for local use	Operational
65535	Missing value	Operational

4.241

Code table 4.241 - Coverage attributes

Code figure	Description	Status
0	Undefined	Operational
1	Unmodified	Operational
2	Snow covered	Operational
3	Flooded	Operational
4	Ice covered	Operational
5-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing value	Operational

4.242

Code table 4.242 - Tile classification

Code figure	Description	Status
0	Reserved	Operational
1	Land use classes according to ESA-GlobCover GCV2009	Operational
2	Land use classes according to European Commission-Global Land Cover Project GLC2000	Operational
3-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing value	Operational

4.243

Code table 4.243 - Tile class

Code figure	Description	Status
0	Reserved	Operational
1	Evergreen broadleaved forest	Operational
2	Deciduous broadleaved closed forest	Operational
3	Deciduous broadleaved open forest	Operational
4	Evergreen needle-leaf forest	Operational
5	Deciduous needle-leaf forest	Operational
6	Mixed leaf trees	Operational
7	Freshwater flooded trees	Operational
8	Saline water flooded trees	Operational
9	Mosaic tree/natural vegetation	Operational
10	Burnt tree cover	Operational
11	Evergreen shrubs closed-open	Operational
12	Deciduous shrubs closed-open	Operational
13	Herbaceous vegetation closed-open	Operational
14	Sparse herbaceous or grass	Operational
15	Flooded shrubs or herbaceous	Operational
16	Cultivated and managed areas	Operational
17	Mosaic crop/tree/natural vegetation	Operational
18	Mosaic crop/shrub/grass	Operational
19	Bare areas	Operational
20	Water	Operational
21	Snow and ice	Operational
22	Artificial surface	Operational
23	Ocean	Operational
24	Irrigated croplands	Operational
25	Rainfed croplands	Operational
26	Mosaic cropland (50-70%) - vegetation (20-50%)	Operational
27	Mosaic vegetation (50-70%) - cropland (20-50%)	Operational
28	Closed broadleaved evergreen forest	Operational
29	Closed needle-leaved evergreen forest	Operational
30	Open needle-leaved deciduous forest	Operational
31	Mixed broadleaved and needle-leaved forest	Operational
32	Mosaic shrubland (50-70%) - grassland (20-50%)	Operational
33	Mosaic grassland (50-70%) - shrubland (20-50%)	Operational
34	Closed to open shrubland	Operational
35	Sparse vegetation	Operational
36	Closed to open forest regularly flooded	Operational
37	Closed forest or shrubland permanently flooded	Operational
38	Closed to open grassland regularly flooded	Operational
39	Undefined	Operational
40-32767	Reserved	Operational
32768-	Reserved for local use	Operational

5.0

Code table 5.0 - Data representation template number

Code figure	Description	Status
0	Grid point data - simple packing	Operational
1	Matrix value at grid point - simple packing	Experimental
2	Grid point data - complex packing	Operational
3	Grid point data - complex packing and spatial differencing	Operational
4	Grid point data - IEEE floating point data	Operational
5-39	Reserved	Operational
40	Grid point data - JPEG 2000 code stream format	Operational
41	Grid point data - Portable Network Graphics (PNG)	Operational
42-49	Reserved	Operational
50	Spectral data - simple packing	Operational
51	Spherical harmonics data - complex packing	Operational
52-60	Reserved	Operational
61	Grid point data - simple packing with logarithm pre-processing	Experimental
62-199	Reserved	Operational
200	Run length packing with level values	Operational
201-49151	Reserved	Operational
49152-65534	Reserved for local use	Operational
65535	Missing	Operational

5.1

Code table 5.1 - Type of original field values

Code figure	Description	Status
0	Floating point	Operational
1	Integer	Operational
2-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

5.2

Code table 5.2 - Matrix coordinate value function definition

Code figure	Description	Status
0	Explicit coordinate values set	Operational
1	Linear coordinates f(1) = C1, f(n) = f(n-1) + C2	Operational
2-10	Reserved	Operational
11	Geometric coordinates f(1) = C1, f(n) = C2 × f(n-1)	Operational
12-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

5.3

Code table 5.3 - Matrix coordinate parameter

Code figure	Description	Status
1	Direction degrees true	Operational
2	Frequency (s-1)	Operational
3	Radial number (2pi/lambda) (m-1)	Operational
4-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

5.4

Code table 5.4 - Group splitting method

Code figure	Description	Status
0	Row by row splitting	Operational
1	General group splitting	Operational
2-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

5.5

Code table 5.5 - Missing value management for complex packing

Code figure	Description	Status
0	No explicit missing values included within data values	Operational
1	Primary missing values included within data values	Operational
2	Primary and secondary missing values included within data values	Operational
3-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

5.6

Code table 5.6 - Order of spatial differencing

Code figure	Description	Status
0	Reserved	Operational
1	First-order spatial differencing	Operational
2	Second-order spatial differencing	Operational
3-191	Reserved	Operational
192-254	Reserved for local use	Operational
255	Missing	Operational

5.7

Code table 5.7 - Precision of floating-point numbers

Code figure	Description	Status
0	Reserved	Operational
1	IEEE 32-bit (I=4 in section 7)	Operational
2	IEEE 64-bit (I=8 in section 7)	Operational
3	IEEE 128-bit (I=16 in section 7)	Operational
4-254	Reserved	Operational
255	Missing	Operational

5.40

Code table 5.40 - Type of compression

Code figure	Description	Status
0	Lossless	Operational
1	Lossy	Operational
2-254	Reserved	Operational
255	Missing	Operational

6.0

Code table 6.0 - Bit map indicator

Code figure	Description	Status
0	A bit map applies to this product and is specified in this Section	Operational
1-253	A bit map predetermined by the originating/generating centre applies to this product and is not specified in this Section	Operational
254	A bit map defined previously in the same "GRIB" message applies to this product	Operational
255	A bit map does not apply to this product	Operational

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