| Parameter Code | Short Name | Description | Units | Comments |
| 31 | CI | Sea-ice cover | | |
| 35 | ISTL1 | Ice surface temperature layer 1 | K | |
| 36 | ISTL2 | Ice surface temperature layer 2 | K | |
| 37 | ISTL3 | Ice surface temperature layer 3 | K | |
| 38 | ISTL4 | Ice surface temperature layer 4 | K | |
| 39 | SWVL1 | Volumetric soil water layer 1 | m3 m-3 | ECMWF has a description of the soil water units on their web site |
| 40 | SWVL2 | Volumetric soil water layer 2 | m3 m-3 | ECMWF has a description of the soil water units on their web site |
| 41 | SWVL3 | Volumetric soil water layer 3 | m3 m-3 | ECMWF has a description of the soil water units on their web site |
| 42 | SWVL4 | Volumetric soil water layer 4 | m3 m-3 | ECMWF has a description of the soil water units on their web site |
| 44 | ES | Snow evaporation | m | Accumulated field |
| 45 | SMLT | Snowmelt | m | Accumulated field |
| 136 | TCW | Total column water | kg m-2 | Liquid + ice + vapour |
| 137 | TCWV | Total column water vapour | kg m-2 | |
| 139 | STL1 | Soil temperature level 1 | K | Soil temperature (ST) before 1993-08-04 |
| 141 | SD | Snow depth | m | |
| 142 | LSP | Stratiform precipitation | m | Accumulated field |
| 143 | CP | Convective precipitation | m | Accumulated field |
| 144 | SF | Snowfall (convective + stratiform) | m | Accumulated field |
| 146 | SSHF | Surface sensible heat flux | W m-2 s | Accumulated field |
| 147 | SLHF | Surface latent heat flux | W m-2 s | Accumulated field |
| 151 | MSL | Mean sea-level pressure | Pa | |
| 159 | BLH | Boundary layer height | m | |
| 164 | TCC | Total cloud cover | | |
| 165 | 10U | 10 metre U wind component | m s-1 | |
| 166 | 10V | 10 metre V wind component | m s-1 | |
| 167 | 2T | 2 metre temperature | K | |
| 168 | 2D | 2 metre dewpoint temperature | K | |
| 169 | SSRD | Surface solar radiation downwards | W m-2 s | |
| 170 | STL2 | Soil temperature level 2 | K | Deep soil temperature (DST) before 1993-08-04 |
| 175 | STRD | Surface thermal radiation downwards | W m-2 s | Accumulated field |
| 176 | SSR | Surface solar radiation | W m-2 s | Accumulated field |
| 177 | STR | Surface thermal radiation | W m-2 s | Accumulated field |
| 178 | TSR | Top solar radiation | W m-2 s | Accumulated field |
| 179 | TTR | Top thermal radiation | W m-2 s | Accumulated field |
| 180 | EWSS | East/West surface stress | N m-2 s | Accumulated field |
| 181 | NSSS | North/South surface stress | N m-2 s | Accumulated field |
| 182 | E | Evaporation | m | Accumulated field |
| 183 | STL3 | Soil temperature level 3 | K | Climatological deep soil temperature (CDST) before 1993-08-04 |
| 186 | LCC | Low cloud cover | | |
| 187 | MCC | Medium cloud cover | | |
| 188 | HCC | High cloud cover | | |
| 195 | LGWS | Latitudinal component of gravity wave stress | N m-2 s | Accumulated field |
| 196 | MGWS | Meridional component of gravity wave stress | N m-2 s | Accumulated field |
| 205 | RO | Runoff | m | Accumulated field |
| 206 | TCO3 | Total column ozone | kg m-2 | Before 2001-06-12, unit was Dobson. 1 Dobson = 2.1415E-5 kg m-2 |
| 208 | TSRC | Top net solar radiation, clear sky | W m-2 s | Accumulated field |
| 209 | TTRC | Top net thermal radiation, clear sky | W m-2 s | Accumulated field |
| 210 | SSRC | Surface net solar radiation, clear sky | W m-2 s | Accumulated field |
| 211 | STRC | Surface net thermal radiation, clear sky | W m-2 s | Accumulated field |
| 236 | STL4 | Soil temperature level 4 | K | |
| 238 | TSN | Temperature of snow layer | K | |