1STRFm**2 s**-1Stream function
2VPOTm**2 s**-1Velocity potential
3PTKPotential temperature
4EQPTKEquivalent potential temperature
5SEPTKSaturated equivalent potential temperature
6SSFR(0 - 1)Soil sand fraction
7SCFR(0 - 1)Soil clay fraction
8SROmSurface runoff
9SSROmSub-surface runoff
10WINDm s**-1Wind speed
11UDVWm s**-1U component of divergent wind
12VDVWm s**-1V component of divergent wind
13URTWm s**-1U component of rotational wind
14VRTWm s**-1V component of rotational wind
15ALUVP(0 - 1)UV visible albedo for direct radiation
16ALUVD(0 - 1)UV visible albedo for diffuse radiation
17ALNIP(0 - 1)Near IR albedo for direct radiation
18ALNID(0 - 1)Near IR albedo for diffuse radiation
19UVCSW m**-2 sClear sky surface UV
20PARCSW m**-2 sClear sky surface PAR
21UCTPKUnbalanced component of temperature
22UCLN-Unbalanced component of logarithm of surface pressure
23UCDVs**-1Unbalanced component of divergence
26CL(0 - 1)Lake cover
27CVL(0 - 1)Low vegetation cover
28CVH(0 - 1)High vegetation cover
29TVL-Type of low vegetation
30TVH-Type of high vegetation
31CI(0 - 1)Sea-ice cover
32ASN(0 - 1)Snow albedo
33RSNkg m**-3Snow density
34SSTKKSea surface temperature
35ISTL1KIce surface temperature layer 1
36ISTL2KIce surface temperature layer 2
37ISTL3KIce surface temperature layer 3
38ISTL4KIce surface temperature layer 4
39SWVL1m**3 m**-3Volumetric soil water layer 1
40SWVL2m**3 m**-3Volumetric soil water layer 2
41SWVL3m**3 m**-3Volumetric soil water layer 3
42SWVL4m**3 m**-3Volumetric soil water layer 4
43SLT-Soil type
44ESm of waterSnow evaporation
45SMLTm of waterSnowmelt
46SDURsSolar duration
47DSRPw m**-2Direct solar radiation
48MAGSSN m**-2 sMagnitude of surface stress
4910FGm s**-110 metre wind gust
50LSPFsLarge-scale precipitation fraction
51MX2T24KMaximum temperature at 2 metres since last 24 hours
52MN2T24KMinimum temperature at 2 metres since last 24 hours
53MONTm**2 s**-2Montgomery potential
55MEAN2T24KMean temperature at 2 metres since last 24 hours
56MN2D24KMean 2 metre dewpoint temperature in past 24 hours
57UVBw m**-2 sDownward UV radiation at the surface
58PARw m**-2 sPhotosynthetically active radiation at the surface
59CAPEJ kg**-1Convective available potential energy
60PVK m**2 kg**-1 s**-1Potential vorticity
62OBCT-Observation count
63sStart time for skin temperature difference
64sFinish time for skin temperature difference
65KSkin temperature difference
66m**2 / m**2Leaf area index, low vegetation
67m**2 / m**2Leaf area index, high vegetation
68s m**-1Minimum stomatal resistance, low vegetation
69s m**-1Minimum stomatal resistance, high vegetation
70(0 - 1)Biome cover, low vegetation
71(0 - 1)Biome cover, high vegetation
72ISSRDw m**-2Instantaneous surface solar radiation downwards
73ISTRDw m**-2Instantaneous surface thermal radiation downwards
74SDFORmStandard deviation of filtered subgrid orography
75CRWCkg kg**-1Cloud rain water content
76CSWCkg kg**-1Cloud snow water content
77ETADOTs**-1Eta-coordinate vertical velocity
78TCLWkg m**-2Total column liquid water
79TCIWkg m**-2Total column ice water
121MX2T6KMaximum temperature at 2 metres since last 6 hours
122MN2T6KMinimum temperature at 2 metres since last 6 hours
12310FG6m s**-110 metre wind gust in the past 6 hours
124EMISdimensionlessSurface emissivity
125J m**-2Vertically integrated total energy
126VariousGeneric parameter for sensitive area prediction
127AT-Atmospheric tide
128BV-Budget values
129Zm**2 s**-2Geopotential
131Um s**-1U velocity
132Vm s**-1V velocity
133Qkg kg**-1Specific humidity
134SPPaSurface pressure
135WPa s**-1Vertical velocity
136TCWkg m**-2Total column water
137TCWVkg m**-2Total column water vapour
138VOs**-1Vorticity (relative)
139STL1KSoil temperature level 1
140SWL1m of waterSoil wetness level 1
141SDm of water equivalentSnow depth
142LSPmStratiform precipitation (Large-scale precipitation)
143CPmConvective precipitation
144SFm of water equivalentSnowfall
145BLDW m**-2 sBoundary layer dissipation
146SSHFW m**-2 sSurface sensible heat flux
147SLHFW m**-2 sSurface latent heat flux
149SNRW m**-2 sSurface net radiation
150TNR-Top net radiation
151MSLPaMean sea level pressure
152LNSP-Logarithm of surface pressure
153SWHRKShort-wave heating rate
154LWHRKLong-wave heating rate
157R%Relative humidity
158TSPPa s**-1Tendency of surface pressure
159BLHmBoundary layer height
160SDOR-Standard deviation of orography
161ISOR-Anisotropy of sub-gridscale orography
162ANORradAngle of sub-gridscale orography
163SLOR-Slope of sub-gridscale orography
164TCC(0 - 1)Total cloud cover
16510Um s**-110 metre U wind component
16610Vm s**-110 metre V wind component
1672TK2 metre temperature
1682DK2 metre dewpoint temperature
169SSRDW m**-2 sSurface solar radiation downwards
170STL2KSoil temperature level 2
171SWL2m of waterSoil wetness level 2
172LSM(0 - 1)Land-sea mask
173SRmSurface roughness
174AL(0 - 1)Albedo
175STRDW m**-2 sSurface thermal radiation downwards
176SSRW m**-2 sSurface solar radiation
177STRW m**-2 sSurface thermal radiation
178TSRW m**-2 sTop solar radiation
179TTRW m**-2 sTop thermal radiation
180EWSSN m**-2 sEast-West surface stress
181NSSSN m**-2 sNorth-South surface stress
182Em of waterEvaporation
183STL3KSoil temperature level 3
184SWL3m of waterSoil wetness level 3
185CCC(0 - 1)Convective cloud cover
186LCC(0 - 1)Low cloud cover
187MCC(0 - 1)Medium cloud cover
188HCC(0 - 1)High cloud cover
189SUNDsSunshine duration
190EWOVm**2East-West component of sub-gridscale orographic variance
191NSOVm**2North-South component of sub-gridscale orographic variance
192NWOVm**2North-West/South-East component of sub-gridscale orographic variance
193NEOVm**2North-East/South-West component of sub-gridscale orographic variance
194BTMPKBrightness temperature
195LGWSN m**-2 sLatitudinal component of gravity wave stress
196MGWSN m**-2 sMeridional component of gravity wave stress
197GWDW m**-2 sGravity wave dissipation
198SRCm of waterSkin reservoir content
199VEG(0 - 1)Vegetation fraction
200VSOm**2Variance of sub-gridscale orography
201MX2TKMaximum temperature at 2 metres since previous post-processing
202MN2TKMinimum temperature at 2 metres since previous post-processing
203O3kg kg**-1Ozone mass mixing ratio
204PAW-Precipitation analysis weights
206TCO3kg m**-2Total column ozone
20710SIm s**-110 metre wind speed
208TSRCW m**-2 sTop net solar radiation, clear sky
209TTRCW m**-2 sTop net thermal radiation, clear sky
210SSRCW m**-2 sSurface net solar radiation, clear sky
211STRCW m**-2 sSurface net thermal radiation, clear sky
212TISRW m**-2 sTOA incident solar radiation
213VIMDkg m**-2Vertically integrated moisture divergence
214DHRKDiabatic heating by radiation
215DHVDKDiabatic heating by vertical diffusion
216DHCCKDiabatic heating by cumulus convection
217DHLCKDiabatic heating large-scale condensation
218VDZWm s**-1Vertical diffusion of zonal wind
219VDMWm s**-1Vertical diffusion of meridional wind
220EWGDm s**-1East-West gravity wave drag tendency
221NSGDm s**-1North-South gravity wave drag tendency
222CTZWm s**-1Convective tendency of zonal wind
223CTMWm s**-1Convective tendency of meridional wind
224VDHkg kg**-1Vertical diffusion of humidity
225HTCCkg kg**-1Humidity tendency by cumulus convection
226HTLCkg kg**-1Humidity tendency by large-scale condensation
227CRNHkg kg**-1Change from removal of negative humidity
228TPmTotal precipitation
229IEWSN m**-2Instantaneous X surface stress
230INSSN m**-2Instantaneous Y surface stress
231ISHFW m**-2Instantaneous surface heat flux
232IEkg m**-2 s**-1Instantaneous moisture flux
233ASQkg kg**-1Apparent surface humidity
234LSRH-Logarithm of surface roughness length for heat
235SKTKSkin temperature
236STL4KSoil temperature level 4
237SWL4mSoil wetness level 4
238TSNKTemperature of snow layer
239CSFm of water equivalentConvective snowfall
240LSFm of water equivalentLarge-scale snowfall
241ACF(-1 to 1)Accumulated cloud fraction tendency
242ALW(-1 to 1)Accumulated liquid water tendency
243FAL(0 - 1)Forecast albedo
244FSRmForecast surface roughness
245FLSR-Forecast logarithm of surface roughness for heat
246CLWCkg kg**-1Cloud liquid water content
247CIWCkg kg**-1Cloud ice water content
248CC(0 - 1)Cloud cover
249AIW(-1 to 1)Accumulated ice water tendency
250ICE(0 - 1)Ice age
251ATTEKAdiabatic tendency of temperature
252ATHEkg kg**-1Adiabatic tendency of humidity
253ATZEm s**-1Adiabatic tendency of zonal wind
254ATMWm s**-1Adiabatic tendency of meridional wind