Aug 28, 2019
Scattered thunderstorms developed across portions of the greater Phoenix metropolitan area during the evening hours on August 28th. Some of the stronger storms generated locally heavy rainfall sufficient to result in episodes of both street flooding as well as flash flooding. A variety of trained storm spotters as well as mesonet observations reported rain rates of at least one inch per hour with the heavier showers. At 2225MST a mesonet report 5 miles southeast of Deer Valley measured 1.22 inc
Source: NOAA National Weather Service Storm Events Database (event 845558). 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.