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NWS Technical Procedures Bulletin No. 490 RUC20 - The 20-km Version of The Rapid Update Cycle


A major revision to the Rapid Update Cycle (RUC) analysis/model system was implemented into operations at the National Centers for Environmental Prediction Center (NCEP) on 17 April 2002. The new RUC version with 20-km horizontal resolution (RUC20) replaces the previous 40-km version of the RUC (RUC40).

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Published On
January 01, 2002
Publisher Name
Forecast Systems Laboratory


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