SUMMARY
- Winter storm warning in effect until 7 am Friday for the 5 Freeway corridor
- Snow accumulations of 1-4 inches at 3,500–4,500 feet, and up to 12 inches above 4,500 feet
- Gusty winds up to 70 mph expected, reducing visibility and creating slick roads
LOS ANGELES — A winter storm warning has been issued for the 5 Freeway corridor north of Los Angeles, including Santa Clarita, Santa Barbara County interior mountains, and southern Ventura County mountains, with hazardous conditions expected through Friday morning.
The National Weather Service (NWS) issued the alert Thursday at 1:13 AM, warning of heavy snow, high winds, and treacherous travel.
The NWS Los Angeles/Oxnard forecast heavy snow and wind along the Interstate-5 corridor, including the Grapevine, emphasizing that bridges and overpasses may become particularly hazardous.
“Roads will likely become slick and hazardous. Travel could become treacherous,” the agency said, urging drivers to exercise extreme caution and prepare for sudden changes in visibility.
Winter storms in Southern California frequently disrupt travel along the I-5 corridor, particularly at higher elevations.
Snow and wind conditions can close lanes and delay commuters, with prior storms in the region producing similar snow accumulations and road closures.
County alert systems have been activated to inform residents and travelers of developing conditions.
Meteorologist Jeff Masters of the Weather Underground noted, “Even modest snowfall in the Grapevine can significantly slow traffic due to steep grades and heavy commuter use.”
NWS Los Angeles meteorologist Emily Riley added, “Motorists must account for icy bridges, high winds, and limited visibility. Winter preparedness is crucial for safety.”
Winter Driving Safety
| Safety Measure | Recommendation |
|---|---|
| Travel plans | Inform family or friends of route and estimated arrival |
| Vehicle prep | Full gas tank, winter supplies including blanket and water |
| Stranded protocol | Stay in vehicle, use flashers, attach cloth to antenna |
| Snow plow caution | Give ample room and only pass when safe |
| Road monitoring | Check county road conditions before departure |
Santa Clarita resident Maria Lopez said, “I commute through the Grapevine daily. Even a few inches of snow make it stressful, so I’m checking updates constantly.”
California Highway Patrol Sgt. David Hernandez emphasized, “We’re urging drivers to slow down and remain alert, especially on bridges and mountain passes.”
The NWS expects snow and high winds to persist intermittently until Friday morning. Travelers are advised to monitor local alerts and exercise caution.
Winterized vehicles and prepared routes will reduce risk during this period of severe weather.
The storm underscores the ongoing challenges of navigating Southern California’s mountain corridors during winter, highlighting the importance of early warning systems and safe driving practices.
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