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Model Upgrade - Upgrade to RAP Version 5 and HRRR Version 4 Analysis and Forecast System
Data Mining Tool
Outreach / Education
All Forecast Regions
Upgrade to Version 5 of the Rapid Refresh (RAP) and Version 4 of the High-Resolution Rapid Refresh (HRRR) systems. Major Changes will include: - Updated versions of the Advanced Research WRF core of the Weather Research and Forecasting Model (WRF-ARW) model, the Gridpoint Statistical Interpolation (GSI) analysis code, and the Unified Post Processor (UPP) - Extended forecast length for four RAP and four HRRR cycles each day - Introduction of a storm-scale ensemble data assimilation component for the CONUS HRRR - Explicit handling of wildfire smoke and new smoke output - Numerous data assimilation changes - New lake model for small lakes - Assimilation of NOAA Great Lakes Environmental Research Laboratory (GLERL) water temperatures and ice concentration for the Great Lakes in the CONUS HRRR - Move the North America Rapid Refresh Ensemble (NARRE) data out of RAP directory structure and into its own area
Product information and survey access
Point of Contact
Geoff Manikin email@example.com
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Implementation delayed - date TBD per SCN20-46.
Last edit date to this meta-data: 2020-06-11