Oct 13, 2009
Widespread showers and thunderstorms, in association with an upper level low pressure system, resulted in excessive heavy rainfall across much of the region on October 13th. Widespread 2 to 4 inches were reported with isolated amounts in excess of 8 inches were reported. This rainfall led to widespread flash flooding across the region.
Source: NOAA National Weather Service Storm Events Database (event 196055). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Nevada County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.