| Bit No. |
Flag Value |
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 |
Deprecated |
| 9 |
|
Large-scale precipitation (non-convective) |
kg m-2 |
Deprecated |
| 10 |
|
Convective precipitation |
kg m-2 |
Deprecated |
| 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 |
Deprecated |
| 14 |
|
Convective snow |
kg m-2 |
Deprecated |
| 15 |
|
Large-scale snow |
kg m-2 |
Deprecated |
| 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 |
Deprecated |
| 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 |
| 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 |
|
Stratiform precipitation rate |
kg m-2 s-1 |
Operational |
| 88 |
|
Categorical convective precipitation |
Code/Flag Table 4.222 |
Operational |
| 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 |
|
Unbalanced component of specific humidity |
kg kg-1 |
Operational |
| 119 |
|
Unbalanced component of specific cloud liquid water content |
kg kg-1 |
Operational |
| 120 |
|
Unbalanced component of specific cloud ice water content |
kg kg-1 |
Operational |
| 121 |
|
Fraction of snow cover |
Proportion |
Operational |
| 122 |
|
Precipitation intensity index |
Code/Flag Table 4.247 |
Operational |
| 123 |
|
Dominant precipitation type |
Code/Flag Table 4.201 |
Operational |
| 124 |
|
Presence of showers |
Code/Flag Table 4.222 |
Operational |
| 125 |
|
Presence of blowing snow |
Code/Flag Table 4.222 |
Operational |
| 126 |
|
Presence of blizzard |
Code/Flag Table 4.222 |
Operational |
| 127 |
|
Ice pellets (non-water equivalent) precipitation rate |
m/s |
Operational |
| 128 |
|
Total solid precipitation rate |
kg m-2 s-1 |
Operational |
| 129 |
|
Effective radius of cloud water |
m |
Operational |
| 130 |
|
Effective radius of rain |
m |
Operational |
| 131 |
|
Effective radius of cloud ice |
m |
Operational |
| 132 |
|
Effective radius of snow |
m |
Operational |
| 133 |
|
Effective radius of graupel |
m |
Operational |
| 134 |
|
Effective radius of hail |
m |
Operational |
| 135 |
|
Effective radius of subgrid liquid clouds |
m |
Operational |
| 136 |
|
Effective radius of subgrid ice clouds |
m |
Operational |
| 137 |
|
Effective aspect ratio of rain |
- |
Operational |
| 138 |
|
Effective aspect ratio of cloud ice |
- |
Operational |
| 139 |
|
Effective aspect ratio of snow |
- |
Operational |
| 140 |
|
Effective aspect ratio of graupel |
- |
Operational |
| 141 |
|
Effective aspect ratio of hail |
- |
Operational |
| 142 |
|
Effective aspect ratio of subgrid ice clouds |
- |
Operational |
| 143 |
|
Potential evaporation rate |
kg m–2 s–1 |
Operational |
| 144 |
|
Specific rain water content (convective) |
kg kg-1 |
Operational |
| 145 |
|
Specific snow water content (convective) |
kg kg-1 |
Operational |
| 146 |
|
Cloud ice precipitation rate |
kg m-2 s-1 |
Operational |
| 147-191 |
|
Reserved |
|
Operational |
| 192-254 |
|
Reserved for local use |
|
Operational |
| 255 |
|
Missing |
|
Operational |