Sep 23, 2019
Lines of showers and thunderstorms continued to move through the western portions of the greater Phoenix area during the very early morning hours on September 24th and some of the stronger storms produced very heavy rain with peak rain rates well in excess of one inch per hour. The heavy rain led to an episode of flash flooding across the western portion of the Phoenix area, just to the south of Surprise and Waddell. Right about midnight, local broadcast media reported that flash flooding result
Source: NOAA National Weather Service Storm Events Database (event 851085). 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.