Aug 25, 2025
The environment across southeast California on August 25th was primed for strong to severe thunderstorms with very moist and unstable conditions in place. The synoptic pattern featured a subtropical ridge of high pressure centered over northern New Mexico, while a Pacific trough to the west promoted upper level divergence over the region. These synoptic features also allowed for southerly moisture advection with PWATs climbing upwards of 1.8-2.0 inches. The broad ascent over the region combined
Source: NOAA National Weather Service Storm Events Database (event 1292957). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Imperial County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.