Jul 25, 2022
An MCV situated in western Pima County on the morning of the 25th led to the development of showers/thunderstorms into Maricopa County. Deep monsoonal moisture, with PWATs in excess of 2 across south-central Arizona, allowed for showers/thunderstorms to be efficient rainfall producers leading to isolated flash flooding. A trained spotter near Arcacia Dr and 186th Dr reported 0.50 of rain in 20 minutes. To the south, flash flooding was reported in Waterman Wash, making roads impassable and leadin
Source: NOAA National Weather Service Storm Events Database (event 1046745). 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.