Mar 15, 2023
An area of low pressure moving across the western states resulted in waves of rainfall across the region during the day on the 15th. A round of widespread light to locally moderate rainfall activity was observed during the morning hours followed by a more significant round with thunderstorms during the evening hours in association with a cold front. Moisture levels associated with this low pressure system were in the 99th percentile for mid-March, signifying that environment was favorable for he
Source: NOAA National Weather Service Storm Events Database (event 1088187). 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.