Rapid Refresh (RAP) and High-Resolution Rapid Refresh (HRRR) Forum
HRRRv4/RAPv5 implement. at NCEP planned June 2020
Posted By: Stan Benjamin
Date: 5-January-23 0312Z
The NOAA hourly updated 3km HRRR and 13km Rapid Refresh models will be updated at NCEP in June 2020, currently scheduled for 2 June with small slippage possible. This implementations for HRRR version 4 and RAP version 5 will occur simultaneously. Additional information is available at the HRRR Information page at https://rapidrefresh.noaa.gov/hrrr/ and in an online ppt from Curtis Alexander at https://rapidrefresh.noaa.gov/pdf/Alexander_AMS_NWP_2020.pdf.
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