Winter Storm — Mountains Southwest Shasta County To Northern Lake County, California

2010-01-18 to 2010-01-20 · Mountains Southwest Shasta County To Northern Lake County, California

Event narrative

Snow amounts up to 10 inches were reported. The heavy snow and gusty winds resulted in hazardous travel.

Wider weather episode

A series of Pacific storms moved across interior Northern California bringing heavy snow, strong winds, and dangerous travel conditions to the mountains. Storm totals in the northern Sierra Nevada mountains measured up to 5 feet above 7000 feet, with amounts of 2 to 3 feet near 5000 feet.

Strong winds, heavy rain, and thunderstorms impacted the Central Valley on the 19th and 20th. An all-time record low barometric pressure was set for Sacramento on the 21st. The lowest sea level pressure at Sacramento Executive Airport was 28.94 inches at 2:46 pm PST. This broke the previous record of 28.95 inches, set on January 27th at the old U.S. Weather Bureau Office in downtown Sacramento.

Source: NOAA Storm Events Database, event_id 212828. Narrative written by the NWS forecast office that issued the report.