Dec 31, 2022
A strong and very wet atmospheric storm brought extended periods of moderate to heavy rain and periods of strong winds to much of the region, along with heavy high-elevation snow. Precipitation totals were around 1-3 inches for the Central Valley, 3-6 inches in the foothills, and 5-8 inches of liquid equivalent in the mountains. The rain brought widespread flooding to the region. This included significant river flooding on the Cosumnes River around Wilton due to multiple levee breaks, resulting
Source: NOAA National Weather Service Storm Events Database (event 1073122). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in San Joaquin County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.