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Home > Products > Data Services > Archive > TOGA > Basic > Surface >  
   

TOGA Basic Level III-A Surface Data Sets




 

 

 
 
This part includes a brief description and the order forms of this specific Data Set.

Description :

  • These data sets contain uninitialised analysis values interpolated to a 2.5° x 2.5° regular latitude/longitude grid. This grid is co-located with the 5° x 5° and 2.5° x 2.5° grids used for ECMWF data distribution daily on the Global Telecommunications System (GTS).
  • period supported - 1 January 1985 to current date;
  • fields are uninitialised analyses for 0000 UTC and 1200 UTC each day;
  • each parameter at each level is stored as a field of grid point values on a 2.5° x 2.5° regular rectangular mesh in latitude rows starting at the north and working southwards; within each row values run from west to east starting at the 0° meridian;
  • data are stored in FM 92 GRIB using sufficient bits to ensure that the grid point values can be retrieved to an accuracy consistent with the analysis methods used;
  • production of the archive has been made as automatic as possible using techniques which enable the data sets to be updated monthly.

The Surface Data Set contains

1 January 1985surface pressure, soil temperature level 1, MSL pressure, u- and v-components of wind at 10m, temperature at 2m, dewpoint at 2m, surface geopotential and land-sea mask.

 

Order forms :

If you wish to make an order from this data set please download the following two Acrobat (PDF) files :

1. Instructions and Standard Order forms (common for all data sets):

24 KB
 
2. Data Set Order form (to select data from this specific data set only) :
8 KB
 

Top of page 13.11.2003
 
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