Rapid Refresh (RAP) and High-Resolution Rapid Refresh (HRRR) Forum
Re: Gridded RUC sounding data over NW CONUS
Posted By: John M. Brown In Response To: Gridded RUC sounding data over NW CONUS (David Wolff)
Date: 25-March-17 0032Z
In Response To: Gridded RUC sounding data over NW CONUS (David Wolff)
As you may or may not know, the RUC (Rapid Update Cycle) model was replaced by the RAP (Rapid Refresh) in May 2012. The RAP uses a version of the WRF -ARW model and runs hourly like the RUC did. We do not maintain an archive of RAP analysis and forecast gridded data. Gridded data on pressure levels are available from
Sounding data can be constructed from these 3-d fields. Unfortunately, the native level data is not saved, so there is some smoothing of the soundings in the vertical arising from the interpolation to the pressure-level data. Let me know via email if you need further clarification. Thanks for your interest in historical RUC data.
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