Aug 10, 2022
Under an easterly wind flow, subtle disturbances in the upper-levels moved across the state, helping to instigate thunderstorm activity across portions of south-central and southwestern Arizona during the late afternoon and early evening hours. The strongest thunderstorm activity was concentrated from western Maricopa County through most of La Paz and Yuma Counties. Strong instability (SB CAPE of 2000+ J/KG) and high moisture content (PWAT 1.8+ inches) resulted in an environment favorable for th
Source: NOAA National Weather Service Storm Events Database (event 1052364). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Maricopa County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.