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HWRF R2 Baseline: New Features and Enhancements Compared to R1

The HWRF R2 Baseline introduces significant new features compared to R1, including a new coupler compatible with POM and HYCOM, an updated POM ocean model, and a Gravity Wave Drag option. It also integrates the Community GSI, features wind swath generation, and provides 3-hourly track files. Major bug fixes include updates to various TBL files for consistency with WRF 3.2 and improvements in variable reading for GWD. The R2 version utilizes the latest GFS data with enhanced physics and resolution. Access the R2 baseline and developing versions via the provided SVN links.

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HWRF R2 Baseline: New Features and Enhancements Compared to R1

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  1. HWRF R2 Baseline Version New features compared to R1: • New coupler that works with both POM and HYCOM; • Updated version of ocean model (POM); • Gravity Wave Drag option; • HRD option; • Community GSI; • Wind swath generation and 3 hourly track files; • Use of smooth Znot-wind relationship; • Unified system for both CCS and Jet computers. • Use new GFS data (new physics and higher res. T574).

  2. Main bug fixes: • GEOGRID.TBL updated to include GWD initial variables in WPS; • ETAMPNEW_DATA_DBL, LANDUSE.TBL, VEGPARM.TBL, GENPARM.TBL updated to be consistent with WRF 3.2 • Bug fixes in NMM_NEST_UTIL1.F and module_si_io_nmm.F, to properly read in input variables for GWD; • Bug fix for stripes seen in the forecast temperature field: shift_domain_nmm.F; • Bug fix: initialization not being processed for none-deep storms, script level bug: hwrf_pre_master_start.sh.

  3. The R2 baseline version is available at subversion: svn checkout https://svnemc.ncep.noaa.gov/projects/hwrf/tags/test/hwrf-R2-final-20101019 Developing version: https://svnemc.ncep.noaa.gov/projects/hwrf/branches/hwrf-R2-final

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