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Below is a list of all agreed upon parameters. Participating Centres are expected to produce output fields in GRIB2 data format and with consistent units. All units are defined by the WMO in the GRIB2 manual . For more information please refer to Guide to the WMO Table Driven Code Form.
*** revision needed!!
Model level parameters
Output of analyses on model levels are stored up to a height of about 15km every six hours (at 00/06/12/18UTC).
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● Store forecast output at T+1,2,3,4,5,6 started at 06 UTC and 18 UTC for the Unified Model, COSMO, Harmonie
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| Name | Abbreviation | Unit | original name (temporary) & remarks |
Precipitation and humidity | |||
|---|---|---|---|
| Drainage *** | kg m-2 | ||
| Surface air relative humidity *** | rh | % | |
| Surface water runoff *** | sro | kg m-2 | |
| Total column water *** | tcw | kg m-2 | |
| Total precipitation | tp | kg m-2 | |
Accumulated radiation fluxes | |||
| Albedo | a | % | |
| Time-integrated surface solar radiation downwards *** | ssrd | W m-2 s | |
| Time-integrated surface solar radiation upwards *** | ssru | W m-2 s | |
Direct short-wave radiation flux at the surface *** | W m-2 s | ||
| Time-integrated surface net solar radiation *** | ssr | W m-2 s | Net short-wave radiation flux at the surface |
Total short-wave radiation flux at the surface *** | W m-2 s | Total short-wave radiation flux at the surface | |
Direct short-wave radiation flux at the surface *** | W m-2 s | ||
Clear-sky long-wave downward flux at the surface *** | W m-2 s | ||
| Time-integrated surface thermal radiation downwards *** | strd | W m-2 s | |
| Time-integrated surface net thermal radiation *** | str | W m-2 s | Net long-wave radiation flux at the surface |
| Evaporation *** | e | kg m-2 | |
| Time-integrated surface latent heat flux *** | slhf | W m-2 s | |
| Time-integrated surface sensible heat flux *** | sshf | W m-2 s | |
Temperature and wind speed | |||
| 10m wind speed | 10ws | m s-1 | |
| 10m wind direction | 10wd | deg | |
| 10m wind gust in the last 24h *** | 10fg24 | m s-1 | |
| Surface air maximum temperature *** | mx2t6 | K | Maximum [1.5 m | 2 m] temperature since previous post-processing |
| Surface air minimum temperature *** | mn2t6 | K | Minimum [1.5 m | 2 m] temperature since previous post-processing |
| Surface temperature *** | |||
Pressure/Height | |||
| Mean sea level pressure | msl | Pa | |
| Surface pressure | sp | Pa | |
Cloud properties | |||
| High cloud cover *** | hcc | % | |
| Low cloud cover *** | lcc | % | |
| Medium cloud cover *** | mcc | % | |
| Total cloud cover | tcc | % | |
Snow | |||
| Snow density *** | rsn | kg m-3 | |
| Snow depth *** | sh | m | |
| Snow depth water equivalent | sd | kg m-2 | Water equivalent of accumulated snow depth |
| Snow fall water equivalent | sf | kg m-2 | Accumulated total snowfall |
Soil *** | |||
Soil temperature level 1 | |||
| Soil temperature level 2 | |||
| Soil temperature level 3 | |||
| Soil temperature level 4 | |||
| Soil heat flux *** | |||
Soil water index in the root zone (total and liquid) | |||
Soil water index for the first cm (total and liquid) | |||
Soil water index for 5cm (total and liquid) | |||
Volumetric soil water layer 1 | |||
| Volumetric soil water layer 2 | |||
| Volumetric soil water layer 3 | |||
| Volumetric soil water layer 4 | |||
Static fields | |||
| Land-sea mask | lsm | 0-1 | Land cover |
| Orography | orog | gpm | |
| Surface roughness *** | sr | m |
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