The Southwest U.S. is bracing for potentially severe weather as Tropical Storm Priscilla approaches, with forecasts predicting heavy rainfall that could exceed a month’s worth in some areas. Flood watches have been issued for multiple regions, including Arizona and Southern California, where numerous thunderstorms are expected to cause flash flooding. Residents are advised to prepare for possible emergencies, with sandbags being distributed and safety measures recommended. A combination of tropical moisture from Priscilla and other systems is likely to bring significant and prolonged rain, raising concerns for flash floods, landslides, and storm-related emergencies across the region.