Jul 29, 2021
A westward moving upper level trough over northern Mexico helped place much of Arizona under broad difluent flow aloft, aiding in the development of thunderstorms across the state. Scattered thunderstorms developed during the afternoon on the 29th across the high terrain of Arizona as daytime heating led to increasing upslope flow along terrain features. Abundant moisture in place allowed for thunderstorms to produce locally heavy rainfall, which led to instances of flash flooding across south-c
Source: NOAA National Weather Service Storm Events Database (event 977463). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Gila County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.