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Flood — Sierra, CA

Mar 9, 2023

Strong, even damaging west-southwest winds increased travel hazards especially to high profile trucks but also increased the danger for destructive avalanches across the region. Snow started at all elevations Thursday evening with snow levels rapidly rising Friday morning. Heavy, wet snow (Sierra Nevada Cement) fell across higher elevation areas as snow levels rose to 7000 feet over the region. Heavy rainfall increased the possibility of flooding for lower elevation creeks, streams, along with

Source: NOAA National Weather Service Storm Events Database (event 1099340). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Sierra, CA

This event is one of many recorded floods in Sierra County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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