An unusually intense winter storm will continue rolling through Southern California on Tuesday, and some flash flood warnings remain in effect, as eye-popping rainfall totals keep rising.
While the rain slowed in L.A. County overnight, areas such as Bel Air and the Sepulveda Canyon have seen 12.19 inches and 11.89 inches respectively, over a 48-hour period.
National Weather Service forecasters projected the heaviest rainfall hit Orange County before 6 a.m. Tuesday. As of 4 a.m., Coto de Caza had received 5.71 inches of rainfall and many other areas in South Orange County were approaching 5 inches, according to NWS data.
Brea, at 4.13 inches, had the highest amount for North Orange County spots.
Lytle Creek, in the San Bernardino Mountains, was up to 12.22 inches of rainfall as of Tuesday morning, Day Canyon had 11.10 inches and in Riverside County valleys, North Elsinore had collected 3.66 inches.
The storm has caused mud and debris flows that forced evacuations and left some homes heavily damaged.
In Los Angeles County, Caltrans closed both directions of Pacific Coast Highway in Malibu near Ventura County because of storm erosion Monday night. The closure from Las Posas Road to Sycamore Canyon Road came after a right lane shoulder was partially washed out, officials said, with concerns that incoming high tides could cause further shoulder damage on the dark roadway.
Caltrans officials recommended using the 101 Freeway as an alternative, but recommended against traversing the 23 and 27 freeways in the Santa Monica Mountains because of “existing or potential mudslides and flooding.”
Downtown Los Angeles’ rain total remained around 7.45 inches, while the San Gabriel River recorded just under 7 inches.
Forecasters expected showery conditions Tuesday for L.A. County with the potential for an additional inch to inch and a half in eastern portions of the county, and upwards of three-quarters of an inch in others.
Snow accumulations were currently as low as 5,500 feet, but could reach as low as 4,500 feet through Friday, according to the NWS.
Resort levels across the eastern San Gabriels could see a foot or more of new snow, while lower elevations above 5,500 feet could see 5 to 10 inches of new snow. There is a 25% chance for an inch of snow on the 5 Freeway Tejon Pass early Wednesday morning.
Storm conditions led to the closure of some college campuses, including Cal State Fullerton and Cal State Long Beach, which switched to online instruction. Those campuses were set to resume normal operations Tuesday.
Rainfall and road conditions led the Bear Valley School District to close schools Tuesday, Asst. Superintendent Sue Nunes said.
Roads, beaches flood, while more coastal trail closes in San Clemente with falling debris
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More than 11 inches of rain hits some Southern California areas; more coming Tuesday
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Source: Orange County Register
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