Sep 9, 2013
Southerly flow spread copious amounts of tropical moisture northward and into the south central Arizona deserts during the morning hours on September 9th. Widespread showers with moderate to heavy rain developed across the greater Phoenix metropolitan area and this led to episodes of flash flooding and urban flooding which started in the late morning hours. In addition to the showers, there were embedded thunderstorms which served to locally enhance rainfall totals. Local storm spotters along wi
Source: NOAA National Weather Service Storm Events Database (event 471636). 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.