Winter Storm — Mountains Southwestern Shasta County To Western Colusa County, California

2023-03-04 to 2023-03-07 · Mountains Southwestern Shasta County To Western Colusa County, California

Event narrative

The National Operational Hydrologic Remote Sensing Center estimated 6 to 18 inches fell for storm total snow in the mountains of southwestern County and western Colusa County.

Wider weather episode

A powerful, cold storm system with heavy snow and gusty winds sometimes brought dangerous driving with whiteout conditions. Snow amounts of 3 to 5 feet were reported in the mountains. Heavy snow fell down into the foothills impacting travel. Numerous schools were closed or had delays due to the snow. Gusty winds of 40-50 mph were recorded across the area, with gusts locally higher in the high elevations of the northern Sierra. The winds and low snow combined to cause dangerous travel conditions with an extended closure of Interstate 80.

Source: NOAA Storm Events Database, event_id 1087526. Narrative written by the NWS forecast office that issued the report.