Rainfall generation: A nonstationary time‐varying multidimensional model

Most existing rainfall models concentrate on storm exterior characteristics. Those that generate storm interiors generally do so at only one point. Very few models attempt to generate exterior and interior rainfall characteristics everywhere in space, and those that do have limiting assumptions of stationary behavior at all levels of storm activity. This work suggests a nonstationary multidimensional rainfall generator. The model, capable of simulating historical storm exteriors and interiors, assumes the validity of Taylor's hypothesis of turbulence within the storm interior. First-order statistics of storm interiors as well as the correlation in time and space of the storm interiors are preserved.