Currently, the Weather Research and Forecasting Non-hydrostatic Mesoscale Model (WRF-NMM) model system serves as the dynamical core of the NAM model. The WRF replaced the Eta model on June 13, 2006.
Currently, the Weather Research and Forecasting Non-hydrostatic Mesoscale Model (WRF-NMM) model system acts as the core mechanism for the NAM model. The WRF succeeded the Eta model on June 13, 2006.