Sep 22, 2022
Abundant moisture(PWAT 1.8) and moderate to high instability (MLCAPE 1000-2000 J/KG) led to the development of diurnally induced isolated thunderstorm activity, mainly across portions of southwestern Arizona. A strong thunderstorm developed near the Quartzsite area during the late afternoon, resulting in flash flooding in areas adjacent to Tyson Wash.
Source: NOAA National Weather Service Storm Events Database (event 1056567). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in La Paz County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.