Mar 13, 2020
A weakening but still potent upper level low pressure system continued to push east across Arizona during the day on March 13th, and the atmosphere across the central deserts was still very humid and a bit unstable. As the system moved across the greater Phoenix area, scattered afternoon thunderstorms developed over the greater Phoenix area. Some of the thunderstorms generated very heavy rains; a trained spotter near the town of Surprise measured 0.7 inches of rain within a 10 minute period. The
Source: NOAA National Weather Service Storm Events Database (event 873892). 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.