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Encoding details

Find in this page all details and examples of All details about the required input files for the project.including examples can be found in the page GRIB2 encoding

Production chain

  • The data will be pulled via ftp from an agreed server location at the data producer's site.
  • Participants are committed to guarantee a steady and reliable provision of their data and to communicate any relevant changes.

 

 

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(below is obsolete now)

 

Aim of this page :  Description and example of grib2 files that we expect from partners.

 

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parameter

( WMO GRIB2 - TABLE 4.2-10-0)

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Number 

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 time

(grib2/tables/2/4.4.table)

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165.128

10 metre U wind component

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. regular lat-long grid

. grid spacing free for the contributor to chose

. not need to be global

eg:

gridDefinitionTemplateNumber = 0 [Latitude/longitude]
latitudeOfFirstGridPoint = 90000000
longitudeOfFirstGridPoint = 0
latitudeOfLastGridPoint = -77500000
longitudeOfLastGridPoint = 359500000
iDirectionIncrement = 500000
jDirectionIncrement = 500000

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I think I should  use :

102 Specific altitude above mean sea level

in section  4.

 What is your view ?

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 166.128

10 metre V wind component

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229.140

Significant height of combined wind waves and swell

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Significant height of combined
wind waves and swell

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typeOfFirstFixedSurface = 101 [Mean sea level (grib2/tables/5/4.5.table) ]

 

typeOfSecondFixedSurface = 255

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231.140

Peak period of 1D spectra

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221.140

Mean wave period based on second moment

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230.140

Mean wave direction

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Direction of combined wind
waves and swell

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Mean  wave direction derived from the vector mean direction from the wave variance spectrum.

 

 

 

 

 

 

 

 

WMO tables :

View file
nameGRIB2_062006.pdf
height250
  
View file
nameWMO306_vI2_GRIB2_Template_en.pdf
height250

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http://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_table4-2-10-0.shtml

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