Flash Flood — Graham, Arizona

2022-08-14 · near Pima, Graham, Arizona

Event narrative

Heavy rain of 1.5 in less than 1 hour caused flash flooding in Pima, AZ. Highway 70 became flooded and impassable.

Wider weather episode

Thunderstorms moved northeast across southeast Arizona during the afternoon and evening. Heavy rain and flash flooding was observed west of Safford and a dust storm moved across southwest Pinal County.

View location on OpenStreetMap → (32.8878, -109.8339)

Source: NOAA Storm Events Database, event_id 1053879. Narrative written by the NWS forecast office that issued the report.