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GRIB Model

ASCAT - Advanced Scatterometer wind data


Provider:Ocean Prediction Center, National Weather Service, NOAA (USA)
Model scope:Global
Update frequency:roughly hourly
Resolution:0.25°, 15.0nm, 27.8km
Model duration:all data at time: 0 hr
Parameters:wind, ascat swath info
GRIB model date:Fri Jul 10 03:43:00 2020 UTC
Download date:Fri Jul 10 19:08:58 2020 UTC
Download delay:15hr 25min

Note: the Download delay is the amount of time required for the GRIB model to compute its forecast and then for the LuckGrib cluster to download the data and make it available. The LuckGrib delay is generally less than 10 minutes, the remainder of the delay is the model compute time.

Description

The data presented in this model is considered to be somewhat experimental. This is not forecast data. The ASCAT data is created by satellites which are able to observe ocean conditions and determine the wind speed and direction. This ability can be useful to obtain actual wind conditions as well as verifying earlier forecast data.

The following description has been taken directly from some official documentation

The Advanced Scatterometer (ASCAT) winds products are processed by NOAA/NESDIS utilizing measurements from the scatterometer instrument aboard the EUMETSAT Metop satellites. The instrument uses radar to measure backscatter to determine speed and direction of winds over the surface of the oceans. …

http://www.ospo.noaa.gov/Products/atmosphere/ascat/

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