Jul 22, 2021
A number of rounds of thunderstorms were triggered by a westward moving upper level weather system across southeast Arizona from the afternoon of July 22 into the early morning of July 23. Thunderstorms produced wind damage and flash flooding in Douglas, Green Valley and the Tucson Metro area. Flooding also occurred along the San Pedro River as well as the Pantano Wash and Rillito River, and eventually downstream along the Santa Cruz River. In Graham County, 1 fatality occurred in a flash flood
Source: NOAA National Weather Service Storm Events Database (event 976232). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Graham County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.