Aug 12, 2022
In a classical monsoonal regime, with deep-layered east to southeast flow, high instability (MLCAPE in excess of 1000-1500 J/KG) along with abundant moisture (PWAT 1.8+ inches) resulted in an environment favorable for thunderstorms. An upper-level disturbance moving across Arizona, aided in increasing the areal coverage as well as enhancing the thunderstorm activity.
Source: NOAA National Weather Service Storm Events Database (event 1053155). 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.