Sep 23, 2022
An abundance of moisture (PWAT 1.5+) and moderate to high instability (MLCAPE of 1000-2000 J/KG) led to the development of terrain and diurnally induced thunderstorm activity. Thunderstorms first began to develop across portions of southwestern Arizona during the early afternoon hours and thereafter, additional storm development occurred across the higher terrain east of Phoenix. Outflow from storms, particularly across the higher terrain east of Phoenix led to the development of more storms acr
Source: NOAA National Weather Service Storm Events Database (event 1056572). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in La Paz County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.