Difference between revisions of "ECMWF"
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(New page: == ECMWF == Datamodel for the tables in the ECMWF schema. Data is created by the ECMWF and retrieved from the KNMI ftp site as GRIB files. The original GRIB files can also be retrieve...) |
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Revision as of 13:14, 9 May 2008
ECMWF
Datamodel for the tables in the ECMWF schema.
Data is created by the ECMWF and retrieved from the KNMI ftp site as GRIB files. The original GRIB files can also be retrieved from the flysafe server from :
INVARIABLE
The INVARIABLE table contains data that is invariant over time
| LATITUDE | degrees * 100 to make this a integer |
| LONGITUDE | degrees * 100 to make this a integer |
| Z | 129 Z Geopotential surface/model orography |
| LSM | 172 LSM Land sea mask |
FORECAST
MODELTS timestamp, -- Time for which this forecast applies = model run + step hours LATITUDE integer, -- degrees * 100 to make this a integer LONGITUDE integer, -- degrees * 100 to make this a integer STEP smallint, -- model step (smaller is more recent forecast) SSRD real, -- 169 SSRD surface solar radiation downwards accumulated TP real, -- 228 TP total precipitation accumulated SP real, -- 134 SP surface pressure BLH real, -- 159 BLH boundary layer height TCC real, -- 164 TCC total cloud coverage U10 real, -- 165 10U 10 meters wind U-component V10 real, -- 166 10V 10 meters wind V-component T2 real, -- 167 2T 2 metres air temperature D2 real, -- 168 2D 2 metres dew point temperature LCC real, -- 186 LCC low cloud coverage
-- Pressure level 1000 T_1000 real, -- 130 T temperature U_1000 real, -- 131 U U-wind component V_1000 real, -- 132 V V-wind component GH_1000 real, -- 156 GH geopotential height R_1000 real, -- 157 R relative humidity
-- Pressure level 925
T_925 real, -- 130 T temperature U_925 real, -- 131 U U-wind component V_925 real, -- 132 V V-wind component GH_925 real, -- 156 GH geopotential height R_925 real, -- 157 R relative humidity
-- Pressure level 850
T_850 real, -- 130 T temperature U_850 real, -- 131 U U-wind component V_850 real, -- 132 V V-wind component GH_850 real, -- 156 GH geopotential height R_850 real, -- 157 R relative humidity
-- Pressure level 700
T_700 real, -- 130 T temperature U_700 real, -- 131 U U-wind component V_700 real, -- 132 V V-wind component GH_700 real, -- 156 GH geopotential height R_700 real, -- 157 R relative humidity
ANALYSIS
MODELTS timestamp, -- Time for which this forecast applies = model run LATITUDE integer, -- degrees * 100 to make this a integer LONGITUDE integer, -- degrees * 100 to make this a integer SP real, -- 134 SP surface pressure TCC real, -- 164 TCC total cloud coverage U10 real, -- 165 10U 10 meters wind U-component V10 real, -- 166 10V 10 meters wind V-component T2 real, -- 167 2T 2 metres air temperature D2 real, -- 168 2D 2 metres dew point temperature LCC real, -- 186 LCC low cloud coverage
-- Pressure level 1000 T_1000 real, -- 130 T temperature U_1000 real, -- 131 U U-wind component V_1000 real, -- 132 V V-wind component GH_1000 real, -- 156 GH geopotential height R_1000 real, -- 157 R relative humidity
-- Pressure level 925
T_925 real, -- 130 T temperature U_925 real, -- 131 U U-wind component V_925 real, -- 132 V V-wind component GH_925 real, -- 156 GH geopotential height R_925 real, -- 157 R relative humidity
-- Pressure level 850
T_850 real, -- 130 T temperature U_850 real, -- 131 U U-wind component V_850 real, -- 132 V V-wind component GH_850 real, -- 156 GH geopotential height R_850 real, -- 157 R relative humidity
-- Pressure level 700
T_700 real, -- 130 T temperature U_700 real, -- 131 U U-wind component V_700 real, -- 132 V V-wind component GH_700 real, -- 156 GH geopotential height R_700 real, -- 157 R relative humidity
