Sep 4, 2019
Isolated monsoon thunderstorms developed across the southwestern deserts during the evening hours on September 4th and some of them affected areas to the northeast of Yuma and east of the lower Colorado River valley. The storms produced weather hazards typical of monsoon storms; gusty and damaging outflow winds and locally heavy rainfall. Heavy rains produced an episode of flash flooding; at 2022MST a mesonet gage reported a 9 foot rise in water in an unnamed wash in the Yuma Proving Ground. A b
Source: NOAA National Weather Service Storm Events Database (event 849196). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Yuma County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.