Jul 12, 2018
Late night thunderstorms on July 11th across the central deserts generated heavy rainfall to the west of Phoenix; this caused area washes such as the Jackrabbit Wash to flow heavily. Significant flow in the wash led to an episode of very early morning flash flooding to the northwest of Phoenix. According to a Maricopa County Flood Control District streamflow gauge, the JackRabbit Wash at Wickenburg Road had well over one foot of water flowing over it. The affected area was in very open country,
Source: NOAA National Weather Service Storm Events Database (event 760393). 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.