Index | Abbreviation | Units | Longname |
1 | STRF | m**2 s**-1 | Stream function |
2 | VPOT | m**2 s**-1 | Velocity potential |
3 | PT | K | Potential temperature |
4 | EQPT | K | Equivalent potential temperature |
5 | SEPT | K | Saturated equivalent potential temperature |
11 | UDVW | m s**-1 | U component of divergent wind |
12 | VDVW | m s**-1 | V component of divergent wind |
13 | URTW | m s**-1 | U component of rotational wind |
14 | VRTW | m s**-1 | V component of rotational wind |
21 | UCTP | K | Unbalanced component of temperature |
22 | UCLN | - | Unbalanced component of logarithm of surface pressure |
23 | UCDV | s**-1 | Unbalanced component of divergence |
26 | CL | (0 - 1) | Lake cover |
27 | CVL | (0 - 1) | Low vegetation cover |
28 | CVH | (0 - 1) | High vegetation cover |
29 | TVL | - | Type of low vegetation |
30 | TVH | - | Type of high vegetation |
31 | CI | (0 - 1) | Sea-ice cover |
32 | ASN | (0 - 1) | Snow albedo |
33 | RSN | kg m**-3 | Snow density |
34 | SSTK | K | Sea surface temperature |
35 | ISTL1 | K | Ice surface temperature layer 1 |
36 | ISTL2 | K | Ice surface temperature layer 2 |
37 | ISTL3 | K | Ice surface temperature layer 3 |
38 | ISTL4 | K | Ice surface temperature layer 4 |
39 | SWVL1 | m**3 m**-3 | Volumetric soil water layer 1 |
40 | SWVL2 | m**3 m**-3 | Volumetric soil water layer 2 |
41 | SWVL3 | m**3 m**-3 | Volumetric soil water layer 3 |
42 | SWVL4 | m**3 m**-3 | Volumetric soil water layer 4 |
43 | SLT | - | Soil type |
44 | ES | m of water | Snow evaporation |
45 | SMLT | m of water | Snowmelt |
46 | SDUR | s | Solar duration |
47 | DSRP | w m**-2 | Direct solar radiation |
48 | MAGSS | N m**-2 s | Magnitude of surface stress |
49 | 10FG | m s**-1 | 10 metre wind gust |
50 | LSPF | s | Large-scale precipitation fraction |
51 | MX2T24 | K | Maximum 2 metre temperature |
52 | MN2T24 | K | Minimum 2 metre temperature |
53 | MONT | m**2 s**-2 | Montgomery potential |
54 | PRES | Pa | Pressure |
55 | MEAN2T24 | K | Mean 2 metre temperature in past 24 hours |
56 | MN2D24 | K | Mean 2 metre dewpoint temperature in past 24 hours |
57 | UVB | w m**-2 s | Downward UV radiation at the surface |
58 | PAR | w m**-2 s | Photosynthetically active radiation at the surface |
59 | CAPE | J kg**-1 | Convective available potential energy |
60 | PV | K m**2 kg**-1 s**-1 | Potential vorticity |
61 | TPO | Millimetres*100 + number of stations | Total precipitation from observations |
62 | OBCT | - | Observation count |
63 | | s | Start time for skin temperature difference |
64 | | s | Finish time for skin temperature difference |
65 | | K | Skin temperature difference |
66 | | m**2 / m**2 | Leaf area index, low vegetation |
67 | | m**2 / m**2 | Leaf area index, high vegetation |
68 | | s m**-1 | Minimum stomatal resistance, low vegetation |
69 | | s m**-1 | Minimum stomatal resistance, high vegetation |
70 | | (0 - 1) | Biome cover, low vegetation |
71 | | (0 - 1) | Biome cover, high vegetation |
78 | TCLW | kg m**-2 | Total column liquid water |
79 | TCIW | kg m**-2 | Total column ice water |
121 | MX2T6 | K | Maximum temperature at 2 metres |
122 | MN2T6 | K | Minimum temperature at 2 metres |
123 | 10FG6 | m s**-1 | 10 metre wind gust in the past 6 hours |
125 | | J m**-2 | Vertically integrated total energy |
126 | | Various | Generic parameter for sensitive area prediction |
127 | AT | - | Atmospheric tide |
128 | BV | - | Budget values |
129 | Z | m**2 s**-2 | Geopotential |
130 | T | K | Temperature |
131 | U | m s**-1 | U velocity |
132 | V | m s**-1 | V velocity |
133 | Q | kg kg**-1 | Specific humidity |
134 | SP | Pa | Surface pressure |
135 | W | Pa s**-1 | Vertical velocity |
136 | TCW | kg m**-2 | Total column water |
137 | TCWV | kg m**-2 | Total column water vapour |
138 | VO | s**-1 | Vorticity (relative) |
139 | STL1 | K | Soil temperature level 1 |
140 | SWL1 | m of water | Soil wetness level 1 |
141 | SD | m of water equivalent | Snow depth |
142 | LSP | m | Stratiform precipitation (Large-scale precipitation) |
143 | CP | m | Convective precipitation |
144 | SF | m of water equivalent | Snowfall (convective + stratiform) |
145 | BLD | W m**-2 s | Boundary layer dissipation |
146 | SSHF | W m**-2 s | Surface sensible heat flux |
147 | SLHF | W m**-2 s | Surface latent heat flux |
148 | CHNK | - | Charnock |
149 | SNR | W m**-2 s | Surface net radiation |
150 | TNR | - | Top net radiation |
151 | MSL | Pa | Mean sea level pressure |
152 | LNSP | - | Logarithm of surface pressure |
153 | SWHR | K | Short-wave heating rate |
154 | LWHR | K | Long-wave heating rate |
155 | D | s**-1 | Divergence |
156 | GH | m | Height |
157 | R | % | Relative humidity |
158 | TSP | Pa s**-1 | Tendency of surface pressure |
159 | BLH | m | Boundary layer height |
160 | SDOR | - | Standard deviation of orography |
161 | ISOR | - | Anisotropy of sub-gridscale orography |
162 | ANOR | rad | Angle of sub-gridscale orography |
163 | SLOR | - | Slope of sub-gridscale orography |
164 | TCC | (0 - 1) | Total cloud cover |
165 | 10U | m s**-1 | 10 metre U wind component |
166 | 10V | m s**-1 | 10 metre V wind component |
167 | 2T | K | 2 metre temperature |
168 | 2D | K | 2 metre dewpoint temperature |
169 | SSRD | W m**-2 s | Surface solar radiation downwards |
170 | STL2 | K | Soil temperature level 2 |
171 | SWL2 | m of water | Soil wetness level 2 |
172 | LSM | (0 - 1) | Land-sea mask |
173 | SR | m | Surface roughness |
174 | AL | (0 - 1) | Albedo |
175 | STRD | W m**-2 s | Surface thermal radiation downwards |
176 | SSR | W m**-2 s | Surface solar radiation |
177 | STR | W m**-2 s | Surface thermal radiation |
178 | TSR | W m**-2 s | Top solar radiation |
179 | TTR | W m**-2 s | Top thermal radiation |
180 | EWSS | N m**-2 s | East-West surface stress |
181 | NSSS | N m**-2 s | North-South surface stress |
182 | E | m of water | Evaporation |
183 | STL3 | K | Soil temperature level 3 |
184 | SWL3 | m of water | Soil wetness level 3 |
185 | CCC | (0 - 1) | Convective cloud cover |
186 | LCC | (0 - 1) | Low cloud cover |
187 | MCC | (0 - 1) | Medium cloud cover |
188 | HCC | (0 - 1) | High cloud cover |
189 | SUND | s | Sunshine duration |
190 | EWOV | m**2 | East-West component of sub-gridscale orographic variance |
191 | NSOV | m**2 | North-South component of sub-gridscale orographic variance |
192 | NWOV | m**2 | North-West/South-East component of sub-gridscale orographic variance |
193 | NEOV | m**2 | North-East/South-West component of sub-gridscale orographic variance |
194 | BTMP | K | Brightness temperature |
195 | LGWS | N m**-2 s | Latitudinal component of gravity wave stress |
196 | MGWS | N m**-2 s | Meridional component of gravity wave stress |
197 | GWD | W m**-2 s | Gravity wave dissipation |
198 | SRC | m of water | Skin reservoir content |
199 | VEG | (0 - 1) | Vegetation fraction |
200 | VSO | m**2 | Variance of sub-gridscale orography |
201 | MX2T | K | Maximum temperature at 2 metres since previous post-processing |
202 | MN2T | K | Minimum temperature at 2 metres since previous post-processing |
203 | O3 | kg kg**-1 | Ozone mass mixing ratio |
204 | PAW | - | Precipitation analysis weights |
205 | RO | m | Runoff |
206 | TCO3 | kg m**-2 | Total column ozone |
207 | 10SI | m s**-1 | 10 metre wind speed |
208 | TSRC | W m**-2 s | Top net solar radiation, clear sky |
209 | TTRC | W m**-2 s | Top net thermal radiation, clear sky |
210 | SSRC | W m**-2 s | Surface net solar radiation, clear sky |
211 | STRC | W m**-2 s | Surface net thermal radiation, clear sky |
212 | TISR | W m**-2 s | TOA incident solar radiation |
214 | DHR | K | Diabatic heating by radiation |
215 | DHVD | K | Diabatic heating by vertical diffusion |
216 | DHCC | K | Diabatic heating by cumulus convection |
217 | DHLC | K | Diabatic heating large-scale condensation |
218 | VDZW | m s**-1 | Vertical diffusion of zonal wind |
219 | VDMW | m s**-1 | Vertical diffusion of meridional wind |
220 | EWGD | m s**-1 | East-West gravity wave drag tendency |
221 | NSGD | m s**-1 | North-South gravity wave drag tendency |
222 | CTZW | m s**-1 | Convective tendency of zonal wind |
223 | CTMW | m s**-1 | Convective tendency of meridional wind |
224 | VDH | kg kg**-1 | Vertical diffusion of humidity |
225 | HTCC | kg kg**-1 | Humidity tendency by cumulus convection |
226 | HTLC | kg kg**-1 | Humidity tendency by large-scale condensation |
227 | CRNH | kg kg**-1 | Change from removal of negative humidity |
228 | TP | m | Total precipitation |
229 | IEWS | N m**-2 | Instantaneous X surface stress |
230 | INSS | N m**-2 | Instantaneous Y surface stress |
231 | ISHF | W m**-2 | Instantaneous surface heat flux |
232 | IE | kg m**-2 s | Instantaneous moisture flux |
233 | ASQ | kg kg**-1 | Apparent surface humidity |
234 | LSRH | - | Logarithm of surface roughness length for heat |
235 | SKT | K | Skin temperature |
236 | STL4 | K | Soil temperature level 4 |
237 | SWL4 | m | Soil wetness level 4 |
238 | TSN | K | Temperature of snow layer |
239 | CSF | m of water equivalent | Convective snowfall |
240 | LSF | m of water equivalent | Large-scale snowfall |
241 | ACF | (-1 to 1) | Accumulated cloud fraction tendency |
242 | ALW | (-1 to 1) | Accumulated liquid water tendency |
243 | FAL | (0 - 1) | Forecast albedo |
244 | FSR | m | Forecast surface roughness |
245 | FLSR | - | Forecast logarithm of surface roughness for heat |
246 | CLWC | kg kg**-1 | Cloud liquid water content |
247 | CIWC | kg kg**-1 | Cloud ice water content |
248 | CC | (0 - 1) | Cloud cover |
249 | AIW | (-1 to 1) | Accumulated ice water tendency |
250 | ICE | (0 - 1) | Ice age |
251 | ATTE | K | Adiabatic tendency of temperature |
252 | ATHE | kg kg**-1 | Adiabatic tendency of humidity |
253 | ATZE | m s**-1 | Adiabatic tendency of zonal wind |
254 | ATMW | m s**-1 | Adiabatic tendency of meridional wind |