Oct 2, 2018
Copious amounts of tropical moisture spread north and into the south-central deserts during the morning hours on October 2nd; the moisture was associated with the remnants of former hurricane Rosa. The deep moisture led to widespread moderate to heavy showers which impacted the entire greater Phoenix metropolitan area during the entire day. Many locations picked up from 1 to 3 inches of rain mainly during the morning hours, and the intense rain resulted in numerous episodes of flash flooding whi
Source: NOAA National Weather Service Storm Events Database (event 780855). 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.