| 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-1 |
Operational |
| 5 |
Velocity potential |
m2 s-1 |
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-1 |
Operational |
| 35 |
Tangential wind component |
m s-1 |
Operational |
| 36-191 |
Reserved |
|
Operational |
| 192-254 |
Reserved for local use |
|
Operational |
| 255 |
Missing |
|
Operational |