Rapid Refresh (RAP) and High-Resolution Rapid Refresh (HRRR) Forum

ftp Rapid Refresh grids

Posted By: Geoff Manikin
Date: 9-February-11 0504Z

Experimental Rapid Refresh grids from the EMC parallel run are now available at ftp://ftp.emc.ncep.noaa.gov/mmb/mmbpll/rap In the directory for each date, you will find the following for each cycle: 13 km grids covering current RUC domain w/ data on native levels (awp130bgrb)* 20 km grids covering current RUC domain w/ data on native levels (awp252bgrb) 13 km grids covering current RUC domain w/ data on pressure levels (awp130pgrb)* 20 km grids covering current RUC domain w/ data on pressure levels (awp252pgrb) 11 km grids covering Alaska (awp242) 32 km grids covering the full domain (awip32) * - available in grib1 and grib2 (all others only in grib1) We may make grib2 available for more of the files at a later time. Note that bufr output is not currently available but should be within the next month. The files covering the current RUC domain will have the same parameters as the current operational RUC files, but the order of some fields will be different. The content of the Alaska and full domain files is subject to change, so do not run any scripts that expect a particular order of the records. Having these grids now will allow all users to examine Rapid Refresh data for the ongoing cold season. Your assessments of the model performance (good and bad) will be appreciated and can be sent to geoffrey.manikin@noaa.gov and stan.benjamin@noaa.gov Operational implementation of the Rapid Refresh at NCEP is currently planned for late summer. The parallel model code will still undergo a few minor changes over the next few months, but major changes to the codes are not currently expected. If you are interested in examining output but do not want to download files, graphics are available at http://www.emc.ncep.noaa.gov/mmb/gmanikin/rap/para

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