The WRF development team [through the WRF mailing list] has announced the release of the Weather Research Forecast code version 3.1. This release includes updates to WPS, WRF, WRFDA, post processing apps, RIP4, ARWpost and WPP. They’ve also added a new objective analysis program, obsgrid. Highlights include:
– Gravity wave drag for ARW and NMM
– Spectral nudging and surface analysis nudging for ARW
– WRF NMM operational (NCEP) physics and dynamics
– New physics modules
– Monotonic transport scheme
– Single column model idealized case
– WRF-DA: radiance assimilation and 4DVAR (with limited support)
– Software improvement
For more info on the specific details on this release, read the full release notes here.