The first of two storms that will soak Southern California this week is gone, but the second most powerful storm with wind and rain that could cause flooding and debris flow is expected to arrive Wednesday afternoon, the National Weather Service warned.
The storm is moving faster than originally expected, but is still bloated with moisture, and is expected to dump 1-2 inches of rain along the coast, and up to 4 inches of the valley at a speed that could cause problems.
“There is a high chance that there will be a high rain rate above 0.75 inches that will be advantageous in causing flooding in urban areas and causing large debris flows in recent burns,” said the Weather Bureau’s Oxnard office, published in Wednesday morning forecasts.
Authorities will issue flood clocks from 6pm on Wednesday, and will continue until Thursday afternoon, warning of possible debris flows caused by flash floods and excessive rainfall. The alerts include much of Los Angeles and Ventura counties, as well as the southern coast of Santa Barbara county.
The heaviest rain is expected to fall from Wednesday night to the beginning of Thursday, according to the Weather Service. Heavy showers and thunderstorms can occur, which collide with areas that are prone to such storm patterns: mountains and hills heading southwest.
A shelter warning was issued for a Los Angeles community near the burn scars, ahead of the second storm.
Burns in Parisades, Getty Villa Area, Highlands, Bien Beneda Area near Temescal Canyon Park, Rivas Canyon/Wil Rogers State Park, Mandeville Canyon on Tanners Road, Old Ranch Road and Las Tancreek have been evacuated since Wednesday morning.
Evacuation warnings have also been received east and south of Ranyong Canyon in the Sunset Fire Zone. According to the Los Angeles Fire Department, the Hearst Fire Area has issued an evacuation warning for Olive Lane at Oak Ridge Mobile Home Park.
Several areas in Malibu have also received evacuation warnings from 7am on Wednesday, according to the city.
The areas include Carbon Canyon, Carbon Beach East, Lasca Beach/La Costa (Hilside), Las Flores Creek, Las Flores Mesa, Eastern Malibu, Big Rock, Las Tzu Noosa Beach, Topanga Beach Road, Carbon Terrace, Carbon Beach, Rambla Pacifico, Carbon Beach West/Malibu Beach, Sweet Waiter Mesa, Malbu, Malbu, Malbu Colony, Civic Centre, Malibu Noles, Malibu Road, Malibu National Dwelling, Pueico Canyon, Piama Road.
“Residents need to prepare to evacuate now due to the serious risks of flash floods, debris flows and landslides. These risks pose serious threats to life and property,” the city wrote in X’s post.
The evacuation warning is expected to continue until Thursday evening, officials said.
The storm is also expected to drop fresh powder into the California mountain ranges.
In Los Angeles and Ventura counties, snow levels would drop to 3,000 feet by Wednesday night, bringing at least light snow to those areas.
At elevations above 6,500 feet, 1-2 feet of snow is expected, but 6-12 inches can be lower. Elevations between 1 inch and 5 inch are predicted to be between 4,000 and 5,500 feet. Authorities will issue a winter storm warning between 4pm on Wednesday and 5am on Saturday.
There is a risk of blowing snow and ice off Interstate 5 on Taejeon Pass, which could cause delays in your travels. We also managed to see the issue on Highway 14 on Antelope Valley and Highway 33 and 154.
The mountains of San Bernardino County had a buildup of 3-6 inches from 6,500 feet and 6-8 inches from 8,500 feet when viewed wet snow.
In the mountains in San Diego County, snow can be up to 3 inches at 6,500 feet, with winds reaching 60 mph.
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