The Weather Research and Forecast Environmental Modeling System (WRF EMS) is a complete, full-physics, state-of-the-science numerical weather prediction (NWP) system that incorporates dynamical cores from both the National Center for Atmospheric Research (NCAR) Advanced Research WRF (ARW) and the National Center for Environmental Predictions (NCEP) non-hydrostatic mesoscale model (NMM) releases into a single end-to-end forecasting package. (NOAA/NWS SOO STRC WRF EMS)

WRF EMS NMM core runs under Linux (Ubuntu 8.04, 32-bit, quad core CPU) twice each day.