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NDFD/NDGD: GRIB2 Customization

The main place to look for NDFD GRIB2 Customization would be: http://weather.gov/datamgmt/doc/GRIB2_encoding.html.

For information about the bytes between the GRIB messages, see: http://weather.gov/datamgmt/doc/ndfdref.html.

Originating Table
CenterSubCenterOrganization
70unknown creators of ETA GRIB2 data (see NCEP)
75Hydrometeorological Prediction Center
8Missing (65535)NDFD / NDGD


NDFD / NDGD Standard Parameter Table
Discipline Section4 TemplateCategoryNumberShort NameLong NameUnit
0000TTemperatureK
0804MaxTMaximum TemperatureK
0805MinTMinimum TemperatureK
0006TdDew point temperatureK
0818QPFTotal precipitationkg/(m^2)
08129SnowAmtTotal snowfallm
0020WindDirWind direction (from which blowing)deg true
0021WindSpdWind speedm/s
0061SkyTotal cloud cover%
10005WaveHeightSignificant height of wind wavesm


NDFD / NDGD Local Parameter Table
Discipline Section4 TemplateCategoryNumberShort NameLong NameUnit
0918PoP12Prob of 0.01 In. of Precip%
001192WxWeather String-
0814193(*)Ozone088 hr Average Ozone ConcentrationPPB
0814193(*)Ozone011 hr Average Ozone ConcentrationPPB
(* To differentiate Ozone08 and Ozone01, look at octets 50-53 length of time range in Template 4.8)

HPC Local Parameter Table
Discipline Section4 TemplateCategoryNumberShort NameLong NameUnit
001192HPC-WxHPC Code-


NDFD / NDGD "inactive" Parameter Table
Discipline Section4 TemplateCategoryNumberShort NameLong NameUnit
0-108PoP12Prob of 0.01 In. of Precip%
0-14192O3MROzone Mixing Ratiokg/kg
0814193AVGOZCONAverage Ozone ConcentrationPPB
0-14193OZCONOzone ConcentrationPPB

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    Page last Modified: December 15, 2004.
Degrib Questions? Arthur Taylor
NDFD Questions? nws.ndfd@noaa.gov
XML Questions? Paul Hershberg & John Schattel
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