Bit No. |
Flag Value |
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 |
|
Unbalanced component of logarithm of surface pressure |
- |
Operational |
32-191 |
|
Reserved |
|
Operational |
192-254 |
|
Reserved for local use |
|
Operational |
255 |
|
Missing |
|
Operational |