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Climate & Environment

Flooding and rockslides sweep across parts of SoCal as a winter storm lingers into the weekend

A skyline is reflected off a flooded parking lot. Several cars are parked in the distance below a cloudy grey sky.
The downtown Los Angeles skyline is reflected in a partially flooded parking lot during heavy rains in November.
(
Apu Gomes
/
Los Angeles Times via Getty Images
)

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Topline:

Another storm system brought heavy rain, flooding and rockslides to an already soaked Southern California and should clear the region by Saturday. This cold weather also brought fresh snow to local mountains, forecasters say.

What happened overnight? The heaviest rainfall fell overnight Thursday into Friday morning in the L.A. and Ventura counties. Flooding and a rockslide hit Highway 330 in the San Bernardino Mountains, the winding road north of Highland. There were also several reports of flash floods in L.A. and Orange counties.

What to expect? Light, scattered showers are possible Friday into early Saturday, according to the National Weather Service. But the rest of the weekend through Thanksgiving is expected to be dry, and temperatures are expected to climb back into the comfortable 70s.

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What about potential snow? The system is expected to bring 3 to 8 inches of snow to elevations above 6,000 feet, so likely skipping the 5 Freeway through the Grapevine.

Why it matters: The storm comes just days after rainfall records were broken by the a days-long rain system that dropped between 2 and 13 inches across Santa Barbara, Ventura and Los Angeles counties. While that rainfall exceeded debris-flow thresholds, no major landslides were reported in recently burned areas. But with the ground already saturated, the risk remains as the new storm moves in. Be sure you're signed up for emergency messaging from official sources.

Longer-term forecast: High pressure is expected to push unseasonably cool temperatures back to normal and bring clear conditions for the Thanksgiving holiday week.

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