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After talking with Jean Bidlot we concluded that what we are asking our contributors for in GRIB2 language is :
MARS | parameter ( WMO GRIB 2 GRIB2 - TABLE 4.2-10-0) | Discipline | Category | parameter | Grid | vertical level | Description | |
---|---|---|---|---|---|---|---|---|
1 | U-component of wind ( 10 m ) | 0 [ M products ] | 2 [ Momentum ] | 2 | . regular lat-long grid . grid spacing free for the contributor to chose . not need to be global . bitmap ? | Code table4.5 – Fixed surface types and units ?? 102 Specific altitude above mean sea level 103 Specified height level above ground
| ||
2 | V-component of wind ( 10 m ) | 0 [ M products ] | 2 [ Momentum ] | 3 | ||||
3 | Significant height of combined | 10 [ O products ] | 0 [ Waves ] | 3 | ?? typeOfFirstFixedSurface = 1 [Ground or water surface]
101 Mean sea level
| 4 times the square root of the integral of wave variance spectrum. | ||
4 | Peak wave period | 10 [ O products ] | 0 [ Waves ] | 34 | Reciprocal of the frequency corresponding to the peak of the wave frequency spectrum. | |||
5 | Mean zero-crossing wave period | 10 [ O products ] | 0 [ Waves ] | 28 | Mean wave period based on the second moment of the frequency spectrum | |||
6 | 230.140 ( Mean wave direction ) | Direction of combined wind | 10 [ O products ] | 0 [ Waves ] | 14 | Mean wave direction derived from the vector mean direction from the wave variance spectrum. |
...
parameter Name | Discipline | Category | parameter | vertical level (grib2/tables/2/4.5.table) | horizontal grid | time (grib2/tables/2/4.4.table) | bitmap | file |
---|---|---|---|---|---|---|---|---|
u-component of wind (WMO GRIB2 compliant) | 0
| 2 | 2 |
scaledValueOfFirstFixedSurface = 1
typeOfSecondFixedSurface = 255 [Missing ] scaleFactorOfSecondFixedSurface = 0 | gridDefinitionTemplateNumber = 0 [Latitude/longitude] |
IndicatorOf UnitOfTimeRange = 1 [Hour] |
| ucomp.grib2 |
v-component of wind (WMO GRIB2 compliant) (grib2/tables/2/4.2.0.2.table) | 0 | 2 | 3 | vcomp.grib2 | ||||
Significant height of (WMO GRIB2 compliant) | 10 | 0 | 3 |
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WMO tables :
View file | ||||
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View file | ||||
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http://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc.shtml
http://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_table4-2-10-0.shtml