The major storm is expected to intensify throughout Tuesday, February 17.

A hiker was rescued by helicopter after a California creek rapidly rose 3 feet during a winter storm, cutting off their escape route.

Northern California is seeing low snow, traffic delays and more as a winter storm system moves through the state.

Temporary ski resort closures or terrain suspensions aren’t uncommon, particularly in the Sierra Nevada, where storms can produce feet of snow all at once. Ski resorts need time to mitigate avalanche danger, which spikes when large amounts of snow fall. High winds can make it unsafe to operate chairlifts, too.

California is being walloped by a powerful winter storm carrying thunderstorms, strong winds and heavy snow in the mountains

STORM UPDATE: Big rigs are being held eastbound on Interstate 80 at Applegate due to conditions. Traffic has been held in both directions because of spinouts. Expect chain controls and significant delays in the Sierra with increased holiday traffic and winter driving conditions. pic.twitter.com/wYHqOLFeLX

The brunt of the storm is expected to move into Southern California overnight and into Wednesday morning. A Flood Watch is in effect through late Tuesday for Ventura and Los Angeles counties, as well as the Malibu coast, where heavy showers and thunderstorms could cause flash flooding.

Dr. Ariel Cohen, meteorologist in charge, NWS Los Angeles/Oxnard, joined FOX Weather on Monday to discuss recent conditions in Southern California as a powerful storm system is tearing through the