Sep 7, 2016
Deep tropical moisture spread northward and across the central deserts of Arizona during the morning hours on September 7th; the moisture was remnants of dissipating Tropical Storm Newton. The moisture resulted in widespread moderate rainfall across much of southwest Maricopa County which began in the early morning and continued well into the day. Embedded thunderstorms caused locally heavier rainfall amounts that led to episodes of urban and small stream flooding to the southwest of the greater
Source: NOAA National Weather Service Storm Events Database (event 654475). 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.