WPS Version 4.0.1 This bug-fix release of the WPS addresses one significant issue in metgrid and several other minor clean-up items. * The metgrid program now supports the use of input meteorological datasets on a rotated latitude-longitude projection that provide a grid-relative horizontal wind field. In particular, this allows the WPS to properly use NCEP RAP data. * The default path of the static, geographical datasets has been updated to reflect re-organization of the NWSC /glade filesystem. This change should only benefit users of NWSC Cheyenne. * The logic in the configure.wps script has been updated to better locate new WRF source code that was obtained either by cloning the WRF GitHub repository or by downloading a GitHub archive file.