WRF-NMM Users Page

WRF Preprocessing System Updates

Version 3.5 of the WRF Pre-Processing System (WPS) was released on April 18, 2013.

Also see 'Known Problems' in this release, which is updated as needed.

WPS Version 3.5

Bug fixes

  • Corrected map projection codes in output from rd_intermediate
  • Fixes to ungrib for handling of forecast hours in GRIB files
  • Various small bug fixes

New features

  • Support for GRIB data on Mercator projections
  • Improved checking for 32-bit or 64-bit netCDF libraries in configure script
  • New Rapid Refresh Vtable

New terrestrial data sets

  • 40-category NLCD 2006 land use (CONUS only)
  • MODIS FPAR monthly vegetation fraction (global)
  • NUDAPT urban morphology (selected U.S. cities)


  • Unused fields HGT_U and HGT_V have been removed from ARW GEOGRID.TBL files
  • NCAR Graphics-based utilites plotfmt and plotgrids are not built by default; these can be built separately with compile plotfmt and compile plotgrids if suitable NCARG libraries are available
  • NUDAPT urban morphology (selected U.S. cities)
  • Deprecated build scripts (e.g., configure_old) have been removed