Sep 2, 2023
A deep closed low along the California coast and broad upper level ridging centered over the southern Plains promoted deep southerly flow across the Desert Southwest. This southerly flow promoted anomalous moisture advection into the area with PWATs upwards of 1.8-2 in the Lower Colorado River Valley area. Abundant moisture combined with CAPE upwards of 1,500-2,000 J/kg and a weak shortwave embedded in the flow allowed for efficient rain-producing thunderstorms to develop heading into the early
Source: NOAA National Weather Service Storm Events Database (event 1140615). 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.