Jul 9, 2021
An isolated supercell thunderstorm moved west across southern Pima County during the late afternoon. It produced damaging winds and flash flooding north of Sasabe, then split over the Baboquivari Mountains where the southern cell continued to produce damaging winds in the southeast part of the Tohono O'odham Nation. Meanwhile scattered thunderstorms moved west across northern Graham into Pinal County, and produced damaging winds in the San Carlos Apache Tribe reservation community of Peridot.
Source: NOAA National Weather Service Storm Events Database (event 975669). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Pima County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.