Single prediction that uses
 observations
 prior information about the Earthsystem
 ECMWF's highestresolution model
The following subsets are available from the HRES (High Resolution) Model (previously "Deterministic Atmospheric Model") :
Ii: Atmospheric fields
 Single level  analysis
 Single level  forecast
 Pressure levels analysis
 Pressure levels forecast
 Model levels  analysis
 Model levels  forecast
Iii: Time series of weather parameters
Iiii Tropical cyclones tracks
Tropical cyclones tracks products are provided in BUFR code free of information charge.
Iiv Simulated satellite data
Product resolution
 0.1° x 0.1° lat/long grid or any multiple thereof (global or subarea)
 On model (Octahedral) O1280 grid (global or subarea)
 Spectral components (T_{CO}1279) for upperair fields (global area only)
The products are provided in GRIB code except Iii Time series of weather parameters and Iiii Tropical cyclones tracks that are provided in BUFR code.
The purchase of the "Basic Set" +72, +96, +120, +144, +168 hrs is a mandatory prerequisite for the purchase of time steps in the range 12 to 66 hours.
Dissemination schedule
Ii: Atmospheric fields
Analysis 06/12 Based Forecast time 12UTC 
Time Available 
Analysis 18/00 Based Forecast Time 00UTC 
Time Available 

06:00 Analysis  17:35  18:00 Analysis  5:35 
12:00 Analysis  17:40  00:00 Analysis  5:40 
Forecast Day 1  17:52  Forecast Day 1  5:52 
Forecast Day 2  17:59  Forecast Day 2  5:59 
Forecast Day 3  18:06  Forecast Day 3  6:06 
Forecast Day 4  18:13  Forecast Day 4  6:13 
Forecast Day 5  18:20  Forecast Day 5  6:20 
Forecast Day 6  18:27  Forecast Day 6  6:27 
Forecast Day 7  18:34  Forecast Day 7  6:34 
Forecast Day 8  18:41  Forecast Day 8  6:41 
Forecast Day 9  18:48  Forecast Day 9  6:48 
Forecast Day 10  18:55  Forecast Day 10  6:55 
Iii: Time series of weather parameters
Weather Parameter Products  Time available 

12 UTC based  18:55 
00 UTC based  06:55 
Iiii Tropical cyclones
Tropical cyclone products  Time available 

12 UTC based  18:55 
00 UTC based  06:55 
Parameters
All tables are sortable by column. Use your browser search for specific parameters.
Terms conventions  

(inv)  Invariant field. If requested these parameters can be provided free of charge 
Ii: Atmospheric fields
Single level  analysis
Analysis fields can be provided for base time 00, 06, 12 or 18
Short name  Long name  Description  Unit  ID  Additional information 

10V  10 metre Vvelocity    m s1  166  
100U  100 metre Uvelocity    m s1  228246  
100V  100 metre Vvelocity    m s1  228247  
10U  10 metre Uvelocity    m s1  165  
2D  2 metre dewpoint temperature    K  168  
2T  2 metre temperature    K  167  
ANOR (inv)  Angle of subgridscale orography  Orientation of subgrid orography (horizontal scales between 5 km and the grid resolution are included). Climatological field.  radians  162  
ISOR (inv)  Anisotropy of subgridscale orography  Anisotropy of subgrid orography (horizontal scales between 5 km and the grid resolution are included). Climatological field.  ~  161  
CHNK  Charnock  Charnock parameter as returned by the wave model. Surface stress (SS) before 19980519.  ~  148  
CVH (inv)  High vegetation cover  Fraction of the grid box that is covered with high vegetation  (0  1)  28  
ISTL1  Ice temperature layer 1  Sea ice top layer 07 cm  K  35  
ISTL2  Ice temperature layer 2  Sea ice layer 2: 728 cm  K  36  
ISTL3  Ice temperature layer 3  Sea ice layer 3: 28100 cm  K  37  
ISTL4  Ice temperature layer 4  Sea ice layer 4: 100150 cm  K  38  
LBLT  Lake bottom temperature    K  228010  
CL (inv)  Lake cover    (0  1)  26  
DL (inv)  Lake depth    m  228007  
HCC  High cloud cover  Cloud cover derived from model levels between 0.45 of the surface pressure and the model top using the model's overlap assumption  (0  1)  188  
LICD  Lake ice depth    m  228014  
LICT  Lake ice temperature    K  228013  
LMLD  Lake mixlayer depth    m  228009  
LMLT  Lake mixlayer temperature    K  228008  
LSHF  Lake shape factor    ~  228012  
LTLT  Lake total layer temperature    K  228011  
LSM (inv)  Land/sea mask  Fractional land cover (model uses 0.m s**1 as threshold for mask)  (0  1)  172  
LAIHV (inv)  Leaf area index high vegetation    m**2 m**2  67  
LAILV (inv)  Leaf area index low vegetation    m**2 m**2  66  
LCC  Low cloud cover  Cloud cover derived from model levels between the surface and 0.8 of the surface pressure using the model's overlap assumption  (0  1)  186  
CVL (inv)  Low vegetation cover  Fraction of the grid box that is covered with low vegetation  (01)  27  
MSL  Mean sea level pressure    Pa  151  
MCC  Medium cloud cover  Cloud cover derived from model levels between 0.s**1 and 0.45 of the surface pressure using the model's overlap assumption  (0  1)  187  
ANID (inv)  Near IR albedo for diffuse radiation    (01)  18  
ANIP (inv)  Near IR albedo for direct radiation    (01)  17  
Z (inv)  Orography  m2 s2  129  
CI  Sea Ice Cover  Fraction of grid box that is covered with sea ice (kept constant during forecast)  (0  1)  31  
SSTK  Sea surface temperature  Temperature of the sea water (bulk SST), as specified by external analysis (skin temperature is equal to bulk SST before 01/10/2008)  K  34  
SRC  Skin reservoir content  Amount of water in interception reservoir  m of water equiv  198  
SKT  Skin temperature  Temperature of the surface skin (radiative surface temperature). Before 01/10/2008 the skin temperature was equal to the bulk SST over the ocean.  K  235  
SLOR (inv)  Slope of subgridscale orography  Standard deviation of slope of subgrid orography (horizontal scales between 5 km and the grid resolution are included). Climatological field.  ~  163  
ASN  Snow albedo  Albedo of the snow covered part of the grid box  (01)  32  
RSN  Snow density  Snow mass per unit of volume  kg m3  33  
SD  Snow depth    m of water equivalent  141  
STL1  Soil temperature level 1  Top soil layer: 17 cm Soil temperature (ST) before 19930804  K  139  
STL2  Soil temperature level 2  Soil layer 2: 728 cm Deep soil temperature (DST) before 19930804  K  170  
STL3  Soil temperature level 3  Soil layer 3: 28100 cm. Climatological deep soil temperature (CDST) before 19930804.  K  183  
STL4  Soil temperature level 4  Layer 100289 cm  K  236  
SLT (inv)  Soil type    ~  43  
SDOR (inv)  Standard deviation of orography  Standard deviation of subgrid orography (horizontal scales between 5 km and the grid resolution are included). Climatological field.  ~  160  
SP  Surface pressure    Pa  134  
TSN  Temperature of snow layer  K  238  
TCC  Total cloud cover  Total cloud cover derived from model levels using the model's overlap assumption  (0 1)  164  
TCO3  Total column Ozone  Vertically integrated ozone. Before 20010612 was in Dobsons. 1 Dobson = 2.1415E5 kg m**2.  kg m2  206  
TCW  Total column water  Vertically integrated total water (vapour + cloud water + cloud ice)  kg m 2  136  
TCWV  Total column water vapour  Vertically integrated water vapour  kg m2  137  
TVH (inv)  Type of high vegetation  Index indicating type of high vegetation (see documentation for table). Table index.  ~  30  
TVL (inv)  Type of low vegetation  Index indicating type low vegetation (see documentation for table). Table index.  ~  29  
ALUVD (inv)  UV visible albedo for diffuse radiation    (0  1)  16  
ALUVP (inv)  UV visible albedo for direct radiation    (01)  15  
SWVL1  Volumetric soil water layer 1  Top soil layer: 07 cm  m3 m3  39  
SWVL2  Volumetric soil water layer 2  Soil layer 2: 728 cm  m3 m3  40  
SWVL3  Volumetric soil water layer 2  Soil layer 3: 28100 cm  m3 m3  41  
SWVL4  Volumetric soil water layer 4  Soil layer 4: 100289 cm  m3 m3  42 
Single level forecast
Forecast time step  Base time  

T+0 to T+144  3hourly  00 UTC and 12 UTC 
T+150h to T+240h  6hourly  00 UTC and 12 UTC 
Short name  Long name  Description  Unit  ID  Additional information 

10U  10 metre Uvelocity    m s1  165  
10V  10 metre Vvelocity    m s1  166  
10FG3  10 metre wind gust in the last 3 hours    m s1  228028  Only until step +144 
10FG6  10 metre wind gust in the last 6 hours    m s1  123  
100U  100 metre Uvelocity    m s1  228246  
100V  100 metre Vvelocity    m s1  228247  
2D  2 metre dewpoint temperature    K  168  
2T  2 metre temperature    K  167  
FZRA  Accumulated freezing rain  Freezing rain precipitation at the surface. Accumulated field  m  228216 

BLD  Boundary layer dissipation  Conversion of kinetic energy of the mean flow into heat by turbulent diffusion (vertically integrated). Accumulated field.  J m**2  145  
BLH  Boundary layer height  Boundary layer defined through Troen and Mahrt parcel lifting method  m  159  
CEIL  Ceiling  Cloudbase height relative to the ground (at least 50% cloud in one layer)  m  260109 
GRIB2 
CHNK  Charnock  Charnock parameter as returned by the wave model. Surface stress (SS) before 19980519.  ~  148  
CDIR  Clearsky direct solar radiation at surface    J m**2  228022  
CBH  Cloud based height    m  228023  
CAPE  Convective available potential energy  For computational efficiency CAPE is computed as the vertical integral of excess of equivalent potential temperature of an undilute updraught compared to the saturated equivalent potential temperature of the environment. The results tends to be about 20% higher than the CAPE based on virtual temperature.  J kg1  59  
CAPES  Convective available potential energy shear 
CAPESHEAR parameter is a product of wind shear and sqrt(CAPE): CAPESHEAR parameter = wind_shear * sqrt(CAPE) wind_shear denotes bulk shear which is a vector difference of winds at two different heights in the atmosphere and the second term sqrt(CAPE) is proportional to the maximum vertical velocity in convective updraughts. 
m^{2} s^{2}  228044 

CIN  Convective inhibition    J kg1  228001  
CP  Convective precipitation    m  143  
CRR  Convective rain rate  Rate of rainfall from the stratiform (large scale) cloud parametrization (instantaneous)  kg m**2 s**1  228218  
CSFR  Convective snowfall rate water equivalent  Rate of snowfall from the convective parametrization (instantaneous)  kg m**2 s**1  228220  
DSRP  Direct solar radiation  Incident on a plane perpendicular to the Sun's direction. Accumulated field  J m^{2}  47  
UVB  Downward UV radiation at surface    J m**2  57  
LGWS  Eastward gravity wave surface stress  Eastward component of surface stress due to gravity waves and orographic blocking. Accumulated field.  N m**2 s  195  
EWSS  Eastward turbulent surface stress  Eastward surface stress due to turbulent processes. Accumulated field.  N m2 s  180  
E  Evaporation  Moisture flux from the surface into the atmosphere. Accumulated field (by model convention downward fluxes are positive).  m of water equivalent  182  
FAL  Forecast albedo  Albedo as used by the IFS consisting of a background albedo modified over the ocean dependent on solar elevation and modified over land areas with snow  (0  1)  243  
FLSR  Forecast logarithm of surface roughness for heat  Logarithm of roughness length for heat and moisture as used by the IFS. Over the ocean it depends on surface friction. Over land it is copied from the climatological field LSRH before 12/09/2006.After 12/09/2006 the land roughness length for heat is derived from the vegetation type through a correspondence table. Snow areas are set to a model defined value.  ~  245  
FSR  Forecast surface roughness  Surface aerodynamic roughness as used by the IFS. Over the ocean it depends on ocean wave parameters. Over land it is copied from the climatological field SR before 12/09/2006. After 12/09/2006 the land roughness is derived from the vegetation type through a correspondence table. Snow areas are set to a model defined value.  m  244  
ZUST  Friction velocity    m s**1  228003  
GWD  Gravity wave dissipation  Conversion of kinetic energy of the mean flow into heat due gravity waves and orographic blocking (vertically integrated). Accumulated field.  J m**2  197  
HCCT  Height of convective cloud top  m  228046  
HWBT0  Height of zerodegree wetbulb temperature  This is computed by scanning upwards through model level data, from the lowest model level (10m); and then saving the height (interpolated) at which wetbulb temperature (Tw) drops to 0 degree C. There can in principal be n such levels, where 0 <= n. 
m  228047  
HWBT1  Height of onedegree wetbulb temperature  This is computed by scanning upwards through model level data, from the lowest model level (10m); and then saving the height (interpolated) at which wetbulb temperature (Tw) drops to 1 degree C. There can in principal be n such levels, where 0 <= n. 
m  228048  
HCC  High cloud cover  Cloud cover derived from model levels between 0.45 of the surface pressure and the model top using the model's overlap assumption  (0 1)  188  
ISTL1  Ice temperature layer 1  Sea ice top layer 07 cm  K  35  
ISTL2  Ice temperature layer 2  Sea ice layer 2: 728 cm  K  36  
ISTL3  Ice temperature layer 3  Sea ice layer 3: 28100 cm  K  37  
ISTL4  Ice temperature layer 4  Sea ice layer 4: 100150 cm  K  38  
I10FG  Instantaneous 10m wind gust  Maximum 3 second wind at 10 m height as defined by WMO including effects of turbulence and convection  m s**1  228029  
IEWS  Instantaneous eastward turbulent surface stress    N m**2  229  
ILSPF  Instantaneous largescale surface precipitation fraction  Fraction of the grid box that is covered by largescale precipitation (instantaneous field)  (0  1)  228217  
IE  Instantaneous moisture flux  Evaporation (by model convention downward fluxes are positive)  kg m**2 s**1  232  
INSS  Instantaneous northward turbulent surface stress    N m**2  230  
ISHF  Instantaneous surface sensible heat flux  (by model convention downward fluxes are positive)  W m**2  231  
KX  K index  K index  K  260121  GRIB2 
LBLT  Lake bottom temperature    K  228010  
LICD  Lake ice depth    m  228014  
LICT  Lake ice temperature    K  228013  
LMLD  Lake mixlayer depth    m  228009  
LMLT  Lake mixlayer temperature    K  228008  
LSHF  Lake shape factor    ~  228012  
LTLT  Lake total layer temperature  0  K  228011  
LSP  Large scale precipitation  Precipitation from the cloud scheme (which also takes detrained water/ice from the convection scheme as input). Accumulated field.  m  142  
LSRR  Large scale rain rate  Rate of rainfall from the stratiform (large scale) cloud parametrization (instantaneous)  kg m**2 s**1  228219  
LSSFR  Large scale snowfall rate water equivalent  Rate of snowfall from the stratiform (large scale) cloud parametrization (instantaneous)  kg m**2 s**1  228221  
LSPF  Largescale precipitation fraction  Fraction of the grid box that is covered by largescale precipitation. Accumulated field.  s  50  
LAIHV (inv)  Leaf area index high vegetation    m**2 m**2  67  
LAILV (inv)  Leaf area index low vegetation    m**2 m**2  66  
LCC  Low cloud cover  Cloud cover derived from model levels between the surface and 0.8 of the surface pressure using the model's overlap assumption  (0  1)  186  
MX2T3  Maximum temperature at 2m in the last 3 hours    K  229026 
Not available at step 0 Only until step +144 
MX2T6  Maximum temperature at 2m in the last 6 hours    K  121 
6hourly steps Not available at step 0 
MXTPR3  Maximum total precipitation rate in the last 3 hours  The total precipitation is calculated from the combined largescale and convective rainfall and snowfall rates every time step and the maximum is kept since the last 3 hours  kg m**2 s**1  228222 
Not available at step 0 Only until step +144 
MXTPR6  Maximum total precipitation rate in the last 6 hours 
The total precipitation is calculated from the combined largescale and convective rainfall and snowfall rates every time step and the maximum is kept since the last 6 hours 
kg m**2 s**1  228224 
6hourly steps Not available at step 0 
MSL  Mean sea level pressure    Pa  151  
MCC  Medium cloud cover  Cloud cover derived from model levels between 0.s**1 and 0.45 of the surface pressure using the model's overlap assumption  (0  1)  187  
MN2T3  Minimum temperature at 2m in the last 3 hours    K  228027 
Not available at step 0 Only until step +144 
MN2T6  Minimum temperature at 2m in the last 6 hours    K  122 
6hourly steps Not available at step 0 
MNTPR3  Minimum total precipitation rate in the last 3 hours    kg m**2 s**1  228223 
Not available at step 0 Only until step +144 
MNTPR6  Minimum total precipitation rate in the last 6 hours  The total precipitation is calculated from the combined largescale and convective rainfall and snowfall rates every time step and the minimum is kept since the last postprocessing  kg m**2 s**1  228225 
6hourly steps Not available at step 0 
U10N  Neutral wind at 10 m ucomponent    m s**1  228131  
V10N  Neutral wind at 10 m Vcomponent    m s**1  228132  
MGWS  Northward gravity wave surface stress  Northward component of surface stress due to gravity waves and orographic blocking. Accumulated field.  N m**2 s  196  
NSSS  Northward turbulent surface stress  Northward surface stress due to turbulent processes. Accumulated field.  N m2 s  181  
PEV  Potential evaporation    m  228251  
PTYPE  Precipitation type 
Describes the type of precipitation at the surface at the validity time. A precipitation type is assigned wherever there is a nonzero value of precipitation in the model output field (however small). The precipitation type should be used together with the precipitation rate to provide for example indication of potential freezing rain events. Precipitation type (08) uses WMO Code Table 4.201 Values of ptype defined in the IFS:

(08)  260015 
GRIB2

RO  Runoff  Amount of water that is lost from the soil through surface runoff and deep soil drainage. Accumulated field.  m  205  
CI  Sea Ice Cover  Fraction of grid box that is covered with sea ice (kept constant during forecast)  (0  1)  31  
SSTK  Sea surface temperature  Accumulated field  K  34  
SRC  Skin reservoir content  Amount of water in interception reservoir  m of water equiv  198  
SKT  Skin temperature  Temperature of the surface skin (radiative surface temperature). Before 01/10/2008 the skin temperature was equal to the bulk SST over the ocean.  K  235  
ASN  Snow albedo  Albedo of the snow covered part of the grid box  (01)  32  
RSN  Snow density  Snow mass per unit of volume  kg m3  33  
SD  Snow depth    m of water equivalent  141  
ES  Snow evaporation  Evaporation from snow averaged over the grid box (to find flux over snow divide by snow fraction). Accumulated field.  m of water equiv  44  
SF  Snow fall (convective + stratiform)  Convective + stratiform snowfall. Accumulated field.  m  144  
SMLT  Snowmelt  Melting of snow averaged over the grid box (to find melt over snow divide by snow fraction). Accumulated field.  m of water equiv  45  
STL1  Soil temperature level 1  Top soil layer: 17 cm Soil temperature (ST) before 19930804  K  139  
STL2  Soil temperature level 2  Soil layer 2: 728 cm Deep soil temperature (DST) before 19930804  K  170  
STL3  Soil temperature level 3  Soil layer 3: 28100 cm. Climatological deep soil temperature (CDST) before 19930804.  K  183  
STL4  Soil temperature level 4  Layer 100289 cm  K  236  
SRO  Surface runoff  Accumulated field  m  8  
SSRO  Subsurface runoff  Deep soil drainage. Accumulated field.  m  9  
SLHF  Surface latent heat flux  Exchange of latent heat with the surface through turbulent diffusion. Accumulated field. (by model convention downward fluxes are positive)  J m**2  147  
SSR  Surface net solar radiation  Net solar radiation at the surface. Accumulated field.  J m**2  176  
SSRC  Surface net solar radiation clear sky  Clear sky net solar radiation at the surface (assuming transparent clouds). Accumulated field.  J m**2  210  
STR  Surface net thermal radiation  Net thermal radiation at the surface. Accumulated field (by model convention downward fluxes are positive).  J m**2  177  
STRC  Surface net thermal radiation clear sky  Clear sky net thermal radiation at the surface (assuming transparent clouds). Accumulated field (by model convention downward fluxes are positive).  J m**2  211  
SP  Surface pressure    Pa  134  
SSHF  Surface sensible heat flux  Exchange of heat with the surface through turbulent diffusion. Accumulated field (by model convention downward fluxes are positive).  J m**2  146  
SSRD  Surface solar radiation downwards  Accumulated field  J m2  169  
STRD  Surface thermal radiation downwards  Accumulated field  J m^{ 2}  175  
TSN  Temperature of snow layer  K  238  
TSR  Top net solar radiation  J m**2  178  
TSRC  Top net solar radiation clear sky  Clear sky net solar radiation at the top of the atmosphere (assuming transparent clouds). Accumulated field.  J m**2  208  
TTR  Top net thermal radiation  Net thermal radiation at the top of the atmosphere. Accumulated field (by model convention downward fluxes are positive).  J m**2  179  
TTRC  Top net thermal radiation clear sky  Clear sky net thermal radiation at the top of the atmosphere (clearsky OLR; assuming transparent clouds). Accumulated field (by model convention downward fluxes are positive).  J m**2  209  
TCC  Total cloud cover  Total cloud cover derived from model levels using the model's overlap assumption  (0 1)  164  
TCIW  Total column ice water  Vertical integral of cloud ice water content  kg m**2  79  
TCLW  Total column liquid water  Vertical integral of cloud liquid water content  kg m**2  78  
TCO3  Total column Ozone  Vertically integrated ozone. Before 20010612 was in Dobsons. 1 Dobson = 2.1415E5 kg m**2.  kg m2  206  
TCRW  Total column rain water  Vertically integrated precipitating rain water content  kg m**2  228089  
TCSW  Total column snow water  Vertically integrated precipitating snow water content  kg m**2  228090  
TCSLW  Total column supercooled liquid water (kg m2)  Vertical integral of (supercooled) cloud liquid water content below 0 degrees Celsius  kg m**2  228088  
TCW  Total column water  Vertically integrated total water (vapour + cloud water + cloud ice)  kg m 2  136  
TCWV  Total column water vapour  Vertically integrated water vapour  kg m2  137  
TP  Total precipitation  Convective precipitation + stratiform precipitation (CP +LSP). Accumulated field.  m  228  
FDIR  Total sky direct solar radiation at surface    J m2  228021  
TOTALX  Total totals index    K  260123  GRIB2 
VIMD  Vertically integrated moisture divergence    kg m**2  213  
VIS  Visibility    m  3020  
SWVL1  Volumetric soil water layer 1  Top soil layer: 07 cm  m3 m3  39  
SWVL2  Volumetric soil water layer 2  Soil layer 2: 728 cm  m3 m3  40  
SWVL3  Volumetric soil water layer 3  Soil layer 3: 28100 cm  m3 m3  41  
SWVL4  Volumetric soil water layer 4  Soil layer 4: 100289 cm  m3 m3  42  
DEG0  Zero degree level  Height of level (counted from 'surface'  Knd lowest model level) where the temperature passes from positive to negative values corresponding to the top level of a warm inversion layer. If a second warm inversion layer is encountered then the zero degree level correspond to the top of the Knd inversion layer.  m  228024 
Pressure level  analysis
All parameters are available at levels
1000, 950, 925, 900, 850, 800, 700, 600, 500, 400, 300, 250, 200, 150, 100, 70, 50, 30, 20, 10, 7, 5, 3, 2, 1 hPa
Analysis fields can be provided for base time 00, 06, 12 or 18
Short name  Long name  Description  Unit  ID  Additional information 

D  Divergence  Relative divergence  s1  155  
GH  Geopotential height  Geopotential divided by a constant value of g = kg m**(01).80665  m  156  
O3  Ozone mass mixing ratio    kg kg**2  203  
PV  Potential Vorticity    m2s1Kkg1  60  
Q  Specific humidity  Grid box mean (mass of water vapour / mass of moist air)  kg kg1  133  
R  Relative humidity  Relative humidity is defined with respect to saturation of the mixed phase i.e. with respect to saturation over ice below 23C and with respect to saturation over water above 0C. In the regime in between a quadratic interpolation is applied.    157  
T  Temperature    K  130  
U  Uvelocity    m s1  131  
V  Vvelocity    m s1  132  
W  Vertical velocity  Pressure vertical velocity dp/dt. In the model equations it is usually denoted by the Greek letter omega.  Pa s1  135  
VO  Vorticity    s**1  138 
Pressure level  forecast
All parameters are available at levels
1000, 950, 925, 900, 850, 800, 700, 600, 500, 400, 300, 250, 200, 150, 100, 70, 50, 30, 20, 10, 7, 5, 3, 2, 1 hPa
Forecast time step  Base time  

T+0 to T+144  3hourly  00 UTC and 12 UTC 
T+150h to T+240h  6hourly  00 UTC and 12 UTC 
Short name  Long name  Description  Unit  ID  Additional information 

D  Divergence  Relative divergence  s1  155  
GH  Geopotential height  Geopotential divided by a constant value of g = kg m**(01).80665  m  156  
O3  Ozone mass mixing ratio    kg kg**2  203  
PV  Potential Vorticity    m2s1Kkg1  60  
Q  Specific humidity  Grid box mean (mass of water vapour / mass of moist air)  kg kg1  133  
R  Relative humidity  Relative humidity is defined with respect to saturation of the mixed phase i.e. with respect to saturation over ice below 23C and with respect to saturation over water above 0C. In the regime in between a quadratic interpolation is applied.    157  
T  Temperature    K  130  
U  Uvelocity    m s1  131  
V  Vvelocity    m s1  132  
W  Vertical velocity  Pressure vertical velocity dp/dt. In the model equations it is usually denoted by the Greek letter omega.  Pa s1  135  
VO  Vorticity    s**1  138 
Model Level  analysis
Model levels range: 1 to 137
Analysis fields can be provided for base time 00, 06, 12 or 18
Model level parameters are produced in GRIB2 format.
Short name  Long name  Description  Unit  ID  Additional information 

CC  Cloud cover  Horizontal fraction of the grid box covered by cloud  0  1  248  
D  Divergence  Relative divergence  s1  155  
ETAD  Etacoordinate vertical velocity  Total time derivative of the hybrid vertical coordinate ?. This is the vertical velocity used in the vertical advection in the ECMWF model because eta is used as vertical coordinate.  s**1  77  
LNSP  Logarithm of surface pressure    ~  152  Level 1 only 
Z (inv)  Orography    m2 s2  129  Level 1 only 
O3  Ozone mass mixing ratio    kg kg**1  203  
CIWC  Specific cloud ice water content  Gridbox mean specific cloud ice water content (mass of condensate / mass of moist air)  kg kg1  247  
CLWC  Specific cloud liquid water content  Gridbox mean specific cloud liquid water content (mass of condensate / mass of moist air)  kg kg1  246  
Q  Specific humidity  Grid box mean (mass of water vapour / mass of moist air)  kg kg1  133  
CRWC  Specific rain water content  Gridbox mean specific precipitating rain water content from stratiform cloud (mass of condensate / mass of moist air).  kg kg1  75  
CSWC  Specific snow water content  Gridbox mean specific snow water content(representing aggregated ice particles) from stratiform cloud (mass of condensate / mass of moist air).  kg kg1  76  
T  Temperature    K  130  
U  Uvelocity    m s1  131  
V  Vvelocity    m s1  132  
W  Vertical velocity  Pressure vertical velocity dp/dt. In the model equations it is usually denoted by the Greek letter omega.  Pa s1  135  
VO  Vorticity    s**1  138 
Model Level  forecast
Model level parameters are produced in GRIB2 format.
Forecast time step  Base time  

T+0 to T+144  3hourly  00 UTC and 12 UTC 
T+150h to T+240h  6hourly  00 UTC and 12 UTC 
Short name  Long name  Description  Unit  ID  Additional information 

CC  Cloud cover  Horizontal fraction of the grid box covered by cloud  0  1  248  
D  Divergence  Relative divergence  s1  155  
ETAD  Etacoordinate vertical velocity  Total time derivative of the hybrid vertical coordinate ?. This is the vertical velocity used in the vertical advection in the ECMWF model because eta is used as vertical coordinate.  s**1  77  
LNSP  Logarithm of surface pressure      152  
O3  Ozone mass mixing ratio    kg kg**1  203  
CIWC  Specific cloud ice water content  Gridbox mean specific cloud ice water content (mass of condensate / mass of moist air)  kg kg1  247  
CLWC  Specific cloud liquid water content  Gridbox mean specific cloud liquid water content (mass of condensate / mass of moist air)  kg kg1  246  
CRWC  Specific rain water content  Gridbox mean specific precipitating rain water content from stratiform cloud (mass of condensate / mass of moist air).  kg kg1  75  
CSWC  Specific snow water content  Gridbox mean specific snow water content(representing aggregated ice particles) from stratiform cloud (mass of condensate / mass of moist air).  kg kg1  76  
Q  Specific humidity  Grid box mean (mass of water vapour / mass of moist air)  kg kg1  133  
T  Temperature    K  130  
U  Uvelocity    m s1  131  
V  Vvelocity    m s1  132  
W  Vertical velocity  Pressure vertical velocity dp/dt. In the model equations it is usually denoted by the Greek letter omega.  Pa s1  135  
VO  Vorticity    s**1  138 
Iii: Time series of weather parameters
The products consist of values of the individual members of the realtime forecast at grid points (single locations). The products are provided in BUFR code.
Forecast time step  Base time  

T+0 to T+240h  6hourly  00 UTC and 12 UTC 
Short name  Long name  Description  Unit  ID  Additional information  

10U  10 metre Uvelocity  m s1  165  
10V  10 metre Vvelocity  m s1  166  
10FG6  10 metre wind gust in the last 6 hours  m s1  123  
2D  2 metre dewpoint temperature  K  168  
2T  2 metre temperature  K  167  
CP  Convective precipitation  m  143  
HCC  High cloud cover  Cloud cover derived from model levels between 0.45 of the surface pressure and the model top using the model's overlap assumption  (01)  188  
LSM (inv)  Land/sea mask  (01)  172  
LSP  Large scale precipitation  m  142  
LCC  Low cloud cover    (01)  186  
MX2T6  Maximum temperature at 2m in the last 6hours  K  51  
MSL  Mean sea level pressure  Pa  151  
MCC  Medium cloud cover  Cloud cover derived from model levels between 0.s**1 and 0.45 of the surface pressure using the model's overlap assumption  (01)  187  
MN2T6  Minimum temperature at 2m in the last 6hours  K  122  
Z (inv)  Orography  m2 s2  129  
SD  Snow depth  m of equivalent water  141  
SF  Snow fall (convective + stratiform)  m of equivalent water  144  
STL1  Soil temperature level 1  K  139  
STL2  Soil temperature level 2  K  170  
STL3  Soil temperature level 3  K  183  
STL4  Soil temperature level 4  K  236  
SP  Surface pressure  Pa  134  
SSRD  Surface solar radiation downwards  J m2  169  
TCC  Total cloud cover  (0  1)  164  
TP  Total precipitation  Convective precipitation + stratiform precipitation (CP +LSP). Accumulated field.  m of equivalent water  228  
SWVL1  Volumetric soil water layer 1  Top soil layer: 07 cm  m3 m3  39  
SWVL2  Volumetric soil water layer 2  Soil layer 2: 728 cm  m3 m3  40  
SWVL3  Volumetric soil water layer 3  Soil layer 3: 28100 cm  m3 m3  41  
SWVL4  Volumetric soil water layer 4  Soil layer 4: 100289 cm  m3 m3  42 
Iiii Tropical cyclones tracks
Tropical cyclones tracks products are provided in BUFR code free of information charge.
Tropical cyclone tracks will only produce data when a cyclone is forecast.
Forecast time step  Base time  

T+0 to T+120  12hourly  00 UTC and 12 UTC 
Short name  Long name  Level type  Type  Base time  Steps 

TC  Tropical cyclone  SFC  TF  00/12  240 
Iiv Simulated satellite data
This data is produced using relevant atmospheric model profiles and surface parameters from the operational highresolution forecast. These are used to calculate brightness temperatures, which can be visualised as simulated satellite images.
Forecast time step  Base time  

T+0 to T+144  3hourly  00 UTC and 12 UTC 
T+150h to T+240h  6hourly  00 UTC and 12 UTC 
Short name  Long name  Description  Unit  ID  Additional information 

CLBT  Cloudy brightness temperature  Cloudy brightness temperature  K  260510 
Page last updated: December 2016