Nonhydrostatic Mesoscale Model (NMM)

The Nonhydrostatic Mesoscale Model (NMM) is a sophisticated weather prediction tool that simulates atmospheric processes on a regional scale. Unlike simpler models, it accounts for small-scale weather phenomena—such as thunderstorms and local wind patterns—by considering the vertical movement of air without assuming that weight of the air is balanced only by pressure (nonhydrostatic). This allows it to produce more detailed and accurate forecasts for weather events that happen over short periods and specific areas, helping meteorologists better predict everything from severe storms to localized wind shifts.