Winter Storm — Western San Gabriel Mountains Including the Highway 14 Corridor, California

2023-03-21 · Western San Gabriel Mountains Including the Highway 14 Corridor, California

Event narrative

Winter storm conditions developed across the western range of the San Gabriel Mountains. Snowfall totals of 2 to 4 feet were reported above 6000 feet elevation with 10 to 20 inches between 5000 and 6000 feet. Additionally, there were some very strong southerly winds. Some peak gusts from the local mesonet include: Magic Mountain Truck Trail (gust 102 MPH), Mill Creek RAWS (gust 76 MPH) and Camp Nine (gust 75 MPH).

Wider weather episode

Another strong winter storm impacted Southwestern California. The storm brought winter storm conditions the local mountains with snowfall totals of 2 to 4 feet and southerly winds gusting in excess of 80 MPH. Other areas also experienced some strong winds. Additionally, scattered thunderstorms developed across the area, spawning two weak tornadoes.

Source: NOAA Storm Events Database, event_id 1091210. Narrative written by the NWS forecast office that issued the report.