The NCAR/Penn State Mesoscale Model (MM5) will be used to study the effect of warm sea surface temperature anomalies and surface fluxes (Heat, Momentum and latent heat) on the precipitation characteristics of Southern Mississippi flood activity during May 8-10, 1995. Mesoscale Model simulations are used for forecasting and to perceive better understanding of the physics associated with the flood event. The components used for simulations by the Mesoscale Model are TERRAIN, REGRID, INTERPF, and Program MM5. Each component is modified to accommodate the detailed study of the flood event. The model is run on a doubly nested domain centered over the Central Gulf of Mexico, with grid spacing of 90 km and 30 km. MM5 is run for 6 hr periods, from the initial storm development 8th May and through 10th of May. Model simulations will be compared with the satellite and synoptic observations.