Oct 3, 2022
A shortwave trough approaching the area from the west along with moderate levels of instability (MLCAPE 1000 J/KG) and unseasonably high moisture content above the 90th percentile (PWAT 1-1.3) resulted in a favorable environment for the development of strong thunderstorms. A complex of strong thunderstorm activity developed north and west of Phoenix during the early to mid afternoon hours. This thunderstorm complex resulted in a strong outflow boundary, which surged southward across the Phoenix
Source: NOAA National Weather Service Storm Events Database (event 1059566). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Pinal County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.