California's Winter Storms Deliver Snow and Heavy Rain to the South

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Avalanche Terror Grips Sierra Nevada

An avalanche near Castle Peak in the Sierra Nevada left several backcountry skiers missing on Tuesday afternoon, heightening dangers amid heavy snowfall.[3] Rescuers conducted searches in whiteout conditions as the storm intensified, with the Sierra Avalanche Center warning of a widespread natural avalanche cycle through early Wednesday.

The Central Sierra Snow Lab near Donner Pass recorded 28 inches of snow overnight Monday into Tuesday, with forecasts predicting another 2 to 3 feet by Wednesday night.[3] Accumulations reached up to 8 feet on the western slopes of the Sierra Nevada and northern Shasta County before the system cleared late Wednesday.[1] Ski resorts around Lake Tahoe, including Palisades and Alpine, closed lifts early due to high winds, poor visibility, and avalanche risks.

Interstate 80 shut down from Colfax to the Nevada state line because of intense snow and spinouts, stranding travelers and complicating rescue efforts.[3]

Southern California Swamped by Rain and Winds

Heavy thunderstorms dumped 1 to 3 inches of rain across Southern California, with higher elevations receiving more than 3 inches and causing flash flooding on roadways.[4] Areas like the Fairfax District and Commerce saw businesses and vehicles inundated, while a massive tree crushed a car in Crestline.

Wind gusts peaked at 81 mph in the hills above Malibu, toppling trees and damaging roofs after soils saturated from prior rains.[4] Debris flows closed Topanga Canyon Boulevard between Pacific Coast Highway and Grand View Drive, and evacuation warnings targeted burn scar areas from last year’s fires, including Palisades and Hurst.[2]

Flood watches extended through Los Angeles and San Diego counties, with officials urging preparation for mudslides in vulnerable zones.[3]

Statewide Travel Disruptions and Emergency Responses

Road chaos spread across California as the storms raged. Highway 1 closed for 45 miles after a landslide near Big Sur, and Yosemite National Park required tire chains on all vehicles while warning of potential closures.[3]

Interstate 80: Closed due to snow in Sierra Nevada.
US-101: Shut southbound in Goleta after tree fall.
I-5 Grapevine and I-15 Cajon Pass: Chain controls and delays expected.
Big Bear: 2 feet of snow by Tuesday, more forecast.

Amusement parks like Six Flags Magic Mountain and Knott’s Berry Farm closed early, and Los Angeles Mayor Karen Bass mobilized emergency crews for flood response.[1] Power outages briefly affected Stanford University, though service restored quickly.

More Storms Loom on the Horizon

A brief respite arrived Wednesday with cooler, drier conditions, but a third storm approached Thursday, promising 0.25 to 0.5 inches of rain in coastal valleys and up to 1 inch in Southern California mountains.[2] Snow levels could drop low enough for accumulations above 5,000 feet, with winter storm warnings persisting until Thursday evening.

National Weather Service meteorologists advised taking advantage of Wednesday’s calm for mountain travel before renewed impacts.[2]

Key Takeaways
Up to 8 feet of snow forecast in Sierra Nevada peaks.[1]
1-3 inches rain caused flooding in Southern California burn scars.[4]
Avalanches and road closures pose ongoing risks; more rain expected Thursday.

These storms underscore California’s volatile winter weather, blending drought relief from snowpack buildup with immediate hazards from rain and wind. Residents should monitor updates closely. What impacts have you seen in your area? Share in the comments.

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