HY-2B 25 km wind vectors

IDENTIFICATION
DescriptionNear-real time level 2 ocean wind vectors on a 25 km swath grid, based on the backscatter measurements of the Chinese National Satellite Ocean Application Service (NSOAS) HY-2B/HSCAT scatterometer.
Product typeNear real time productThumbnail
StatusDevelopment
IdentifierOSI-114-a
AcronymHY2B25
Acronym for EDC (APNM)OHBSW025
CHARACTERISTICS
Processing levelL2
Satellite inputHY-2B/ HSCAT
Other inputNWP outputs (wind, SST, land-sea mask)
Frequency15 files per day
Central timeNA
Timeliness10 hours*
Spatial coverageGlobal
Spatial sampling25 km
ProjectionSwath
Characteristics & methodsSwath sigma0’s and wind vectors
ACCURACY REQUIREMENTS
Thresold accuracyNA
Target accuracyBetter than 2 m/s in wind component Stdev with a bias of less than 0.5 m/s in wind speed on a monthly basis.
Optimal accuracyNA
Verification/validation methodTriple collocation with NWP and buoys
DATA ACCESS
Diffusion mean(s) and format(s)EUMETCast (BUFR)
WIND FTP Server (BUFR)
WIND FTP Server (NetCDF3)
EDC (NetCDF3)
EDC (BUFR)
Main FTP serverOther FTP server,
other mean(s) to access main server


EUMETCastEUMETCastDiscovery mean(s)
EUMETSAT Data CentreEDC
Applications and users* Operational Met Services * Operational analyses and ocean models * Research or Environmental monitoring.OSI SAF ProducerRoyal Netherlands Meteorological Institute
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Product web pageDescription
Live production statusProduction status
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Continuous monitoringQuality
HISTORY, COMMENTS

*  Notes: 45% of the data is available after 3 hours. Timeliness will depend on the number of data downloads through the ground station in Finland (or other polar ground stations).

  • See also OSI-114-b (HY-2B 50 km wind vectors)
  • The distribution of this product is subject to the conditions set in the EUMETSAT-NSOAS cooperation agreement.