| Name: | u _ velocity | Abbreviation: | u | Unit: | m s-1 |
| Definition | Zonal (Eastwardeastward) wind with a vertical coordinate component on a pressure level. |
| Validity | Instantaneousinstantaneous |
| Comment |
GRIB2 definition
| Parameter | ||
|---|---|---|
| Discipline | = 0 | meteorological products |
| Parameter Category | = 2 | momentum |
| Parameter Number | = 2 | u-component of wind |
| Level | ||
|---|---|---|
| Type of first fixed surface | = 100 | pressure level |
| Scale factor of first fixed surface | = 0 | |
| Scaled value of first fixed surface | = value in Pa | |
| Type of second fixed surface | = all bits to 1 | missing |
| Scale factor of second fixed surface | = all bits to 1 | missing |
| Scaled value of second fixed surface | = all bits to 1 | missing |