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The following parameters are available on ten pressure levels (1000, 925, 850, 700, 500, 300, 200, 100, 50 and 10 hPa)
(during 2016-7 the vertical velocity will be added to all pressure levels by providers in their earliest convenience)
| Name | Abbreviation | Unit | Frequency |
| Geopotential height | gh | gpm | Instantaneous once a day (00Z) |
| Temperature | t | K | Instantaneous once a day (00Z) |
| U-velocity | u | m s-1 | Instantaneous once a day (00Z) |
| V-velocity | v | m s-1 | Instantaneous once a day (00Z) |
| Vertical velocity | w | pa s-1 | Instantaneous once a day (00Z) |
The following parameters are available on seven pressure levels (1000, 925, 850, 700, 500, 300 and 200 hPa)
| Name | Abbreviation | Unit | Frequency |
| Specific humidity | q | kg kg-1 | Instantaneous once a day (00Z) |
The following parameter are available on 1 pressure level (500 hPa)
(during 2016-7 the vertical velocity will be added to all pressure levels by providers in their earliest convenience)
| Name | Abbreviation | Unit | Frequency |
| Vertical velocity | w | pa s-1 | Instantaneous once a day (00Z) |
Potential temperature level parameters
The following parameters are available on one potential temperature level (320 K)
Single-level parameters
The following parameters are available on single levels
| Name | Abbreviation | Unit | Frequency |
| 10 metre u-velocity | 10u | m s-1 | Instantaneous once a day (00Z) |
| 10 metre v-velocity | 10v | m s-1 | Instantaneous once a day (00Z) |
| CAPE | cape | J kg-1 | Daily averaged |
| Skin temperature | skt | K | Daily averaged |
| Snow depth water equivalent | sd | kg m-2 | Daily averaged |
| Snow density | rsn | kg m-3 | Daily averaged |
| Snow fall water equivalent | sf | kg m-2 | Accumulated, archived every 24 hours |
| Snow albedo | asn | % | Daily averaged |
| Soil moisture top 20cm | sm20 | kg m-3 | Daily averaged |
| Soil moisture top 100 cm | sm100 | kg m-3 | Daily averaged |
| Soil temperature top 20 cm | st20 | K | Daily averaged |
| Soil temperature top 100 cm | st100 | K | Daily averaged |
| Surface air maximum temperature | mx2t6 | K | 6-hourly |
| Surface air minimum temperature | mn2t6 | K | 6-hourly |
| Surface air temperature | 2t | K | Daily averaged |
| Surface air dewpoint temperature | 2d | 2d | Daily averaged |
| Sea surface temperature | wtmp | K | Daily averaged |
| Sea ice cover | ci | proportion | Daily averaged |
| Surface pressure | sp | Pa | Instantaneous once a day (00Z) |
| Time-integrated top net thermal radiation | ttr | W m-2 s | Accumulated, archived every 24 hours |
| Time-integrated surface latent heat flux | slhf | W m-2 s | Accumulated, archived every 24 hours |
| Time-integrated surface net solar radiation | ssr | W m-2 s | Accumulated, archived every 24 hours |
| Time-integrated surface net thermal radiation | str | W m-2 s | Accumulated, archived every 24 hours |
| Time-integrated surface sensible heat flux | sshf | W m-2 s | Accumulated, archived every 24 hours |
| Time-integrated surface solar radiation downwards | ssrd | W m-2 s | Accumulated, archived every 24 hours |
| Time-integrated surface thermal radiation downwards | strd | W m-2 s | Accumulated, archived every 24 hours |
| Total cloud cover | tcc | % | Daily averaged |
| Total column water | tcw | kg m-2 | Daily averaged |
| Total precipitation | tp | kg m-2 | Accumulated, 6-hourly |
| Convective precipitation | cp | kg m-2 | Accumulated, archived every 24 hours |
| Northward turbulent surface stress | nsss | N m-2 s | Accumulated, archived every 24 hours |
| Eastward turbulent surface stress | ewss | N m-2 s | Accumulated, archived every 24 hours |
| Mean sea-level pressure | msl | Pa | Instantaneous once a day (00Z) |
| Water runoff and drainage | ro | kg m-2 | Accumulated, archived every 24 hours |
| Surface water runoff | sro | kg m-2 | Accumulated, archived every 24 hours |
| Land sea mask | lsm | Proportion of land | Instantaneous once a day (00Z) Only control forecast |
| Orography | orog | gpm | Instantaneous once a day (00Z) Only control forecast |
| Soil type | slt | Categorical | Instantaneous once a day (00Z) Only control forecast |