Get climate division boundaries.
Here are some files NCDC has provided for GIS users.
- GIS.OFFICIAL_CLIM_DIVISIONS.shp.zip
- GIS.OFFICIAL_CLIM_DIVISIONS.shp
- GIS.OFFICIAL_CLIM_DIVISIONS.shp.xml
NCAR has a netCDF file with the climate division boundaries available entitled "climdiv_polygons.nc". NCL has the boundaries builtin to its plotting code as does GrADS.
