Jul 13, 2022
The synoptic pattern was characterized by an area of high pressure centered across the four corners region with a southeasterly steering flow encompassing all of Arizona. MLCAPE between 500-1000 J/KG and DCAPE in excess of 1500 J/KG were more than sufficient to lead to the development of thunderstorm activity, first developing across southeast Arizona and then being steered by the southeasterly flow into south-central Arizona. Portions of the East Valley got particularly hit hard between Gilbert
Source: NOAA National Weather Service Storm Events Database (event 1046202). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Maricopa County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.