| Bit No. |
Flag Value |
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 |
Deprecated |
| 38 |
|
Eastward turbulent surface stress |
N m-2 s |
Deprecated |
| 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 |
|
Unbalanced component of divergence |
s-1 |
Operational |
| 46 |
|
Vorticity advection |
s-2 |
Operational |
| 47 |
|
Surface roughness for heat |
m |
Operational |
| 48 |
|
Surface roughness for moisture |
m |
Operational |
| 49 |
|
Wind stress |
N m-2 |
Operational |
| 50 |
|
Eastward wind stress |
N m-2 |
Operational |
| 51 |
|
Northward wind stress |
N m-2 |
Operational |
| 52 |
|
u-component of wind stress |
N m-2 |
Operational |
| 53 |
|
v-component of wind stress |
N m-2 |
Operational |
| 54 |
|
Natural logarithm of surface roughness length for heat |
Numeric |
Operational |
| 55 |
|
Natural logarithm of surface roughness length for moisture |
Numeric |
Operational |
| 56 |
|
u-component of neutral wind |
m s-1 |
Operational |
| 57 |
|
v-component of neutral wind |
m s-1 |
Operational |
| 58 |
|
Magnitude of turbulent surface stress |
N m-2 |
Operational |
| 59 |
|
Vertical divergence |
s-1 |
Operational |
| 60 |
|
Drag thermal coefficient |
Numeric |
Operational |
| 61 |
|
Drag evaporation coefficient |
Numeric |
Operational |
| 62 |
|
Eastward turbulent surface stress |
N m-2 |
Operational |
| 63 |
|
Northward turbulent surface stress |
N m-2 |
Operational |
| 64 |
|
Eastward turbulent surface stress due to orographic form drag |
N m-2 |
Operational |
| 65 |
|
Northward turbulent surface stress due to orographic form drag |
N m-2 |
Operational |
| 66 |
|
Eastward turbulent surface stress due to surface roughness |
N m-2 |
Operational |
| 67 |
|
Northward turbulent surface stress due to surface roughness |
N m-2 |
Operational |
| 68 |
|
Convective gust |
m s-1 |
Operational |
| 69 |
|
Turbulent gust |
m s-1 |
Operational |
| 70 |
|
Wind speed threshold for wind erosion |
m s-1 |
Operational |
| 71-191 |
|
Reserved |
|
Operational |
| 192-254 |
|
Reserved for local use |
|
Operational |
| 255 |
|
Missing |
|
Operational |