Aug 20, 2022
Thunderstorms on the 19th initiated across southeast Arizona and along the Mogollon Rim during the late morning/early afternoon hours before pushing into the lower elevations of south-central Arizona. A couple of upper level features, which included an area of low pressure over northern Sonora and a shortwave trough over the Great Basin, aided in ascent over the region in an environment characterized by high instability (MUCAPE 2,000 J/kg) and anomalously high moisture (PWATs 1.8-2.2). Given the
Source: NOAA National Weather Service Storm Events Database (event 1054389). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Yuma County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.