Sep 1, 2019
Isolated to scattered monsoon thunderstorms developed across portions of the central deserts to the southwest of Phoenix during the evening hours on September 1st. In addition to strong gusty outflow winds, some of the stronger storms produced very heavy rain with peak rain rates in excess of one inch per hour. The heavy rains led to episodes of flash flooding, some of which occurred near the town of Gila Bend. According to the Arizona Department of Highways, flash flooding was observed just ea
Source: NOAA National Weather Service Storm Events Database (event 848869). 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.