Flood in Colusa County, California

California Highway Patrol reported rocks in both lanes of State Route 20 from heavy rain.

A prolonged period of wet weather brought heavy snowfall and strong winds to the Sierra Nevada. Heaviest snowfall was observed from 12/24-12/26 when snow levels came down below the mountain passes. Snowfall measurements over the 12/24-12/26 timeframe were around 2-5 ft per Caltrans, Ski resorts, and UC Berkeley Central Sierra Snow Lab. Southerly wind gusts of 50-80 mph were observed as well across the Valley, foothills and mountains that resulted in numerous downed trees and thousands of power outages. There were also numerous reports of flooding in the lower elevations from heavy rain, including two fatalities and 3 injuries from vehicles that hydroplaned and crashed.