Incoming rain brings mudslides threat to burn zones as crews battle Hughes Fire in Castaic

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Last updated: Friday, January 24, 2025 2:27PM GMT
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LOS ANGELES (KABC) -- Southern California is making the switch from red flag conditions to rainfall this weekend with showers, mountain snow and a big cool down, prompting concerns over debris flow and mudslides.

Firefighters battled a new brush fire that erupted in San Diego County near the U.S.-Mexico border, as they also raced to contain the Hughes Fire near Castaic Lake.

The Border Fire 2 is burning near the Otay Mountain Truck Trail located within the Otay Mountain Wilderness area and evacuation orders were issued early Friday morning.

Key Headlines

Here's how the news is developing.
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Jan 23, 2025, 7:24 PM

Hughes Fire map shows evacuation zones in Castaic

Mandatory evacuations were issued Wednesday in the Castaic area due to the fast-spreading Hughes Fire.

CAL FIRE's map shows the evacuation zones.

Mandatory evacuation orders were issued for the following zones, according to CAL FIRE:

CAS-BITTERCANYON
CAS-CASTAICLAKE
CAS-CHARLIECANYON
LAC-E008
LAC-E016.

Evacuation warnings were issued for the following zones:

CAS-BISCAILUZ
CAS-CAMBRIDGE
CAS-GOLDENSTATE
CAS-GREENHILL
CAS-HASLEY
CAS-HILLCREST
CAS-INDUSTRY
CAS-LIVEOAK
CAS-OAKCANYON
CAS-PARADISERANCH
CAS-RIDGE
CAS-ROMERO
CAS-SLOAN
CAS-VALVERDE
GOR-E004
GOR-HUNGRYVALLEY
LAC-E005
LAC-E009-B
LAC-E011-A
LAC-E017
LAC-E018
LAC-E029
LAC-E030
LAC-FRANCISQUITO
SCL-BLACKPINE
SCL-CALEX
SCL-DECORO
SCL-KELLYJOHNSON
SCL-MOUNTAINVIEW
SCL-PACIFICCREST
SCL-RANCHOTESORO
SCL-REYESABODE
SCL-REYESADOBE
SCL-RIONORTE
SCL-RYE
SCL-TESORODELAVALLE
SCL-WESTHILLS
SLC-REYESADOBE
SLC-STERLING

Road closures

- Ridge Route Rd at Lake Hughes
- Ridge Route Rd at Templin Hwy
- Lake Hughes at Pine Cyn
- Dry Gulch at San Francisquito Cyn Rd
- I-5 NB at Parker Rd Off Ramp and I-5 NB at Lake Hughes Rd off ramp will be shut down.

Evacuation shelters
- Evacuation center: College of the Canyons East Gym at 26455 Rockwell Canyon Road, Santa Clarita, CA 91355

A map of the Hughes Fire shows the multiple evacuation zones near Castaic Lake north of the Santa Clarita area.
Rob Hayes Image
7:49 AM GMT

Concern for mudslides rises as weekend rain threatens burn zones

As Southern California prepares for much-needed rain coming this weekend, the precipitation also brings new challenges like toxic ash runoff and mudslides.

Officials are preparing themselves - and residents - for the upcoming rain that is raising concern for possible mudslides that could bring more damage to areas previously hit by the wildfires.

Mayor Karen Bass has issued an executive order to expedite cleanup efforts in burn areas and mitigate the environmental impacts of fire-related pollutants. She ordered crews to remove vegetation, shore up hillsides, install barriers and reinforce roads ahead of the possible weekend rain, which could create mud and debris flows.

While officials say rain could help clear up air quality, the potential for mudslides and toxic runoff filled with debris from the fires is high.

"I think the public health advice that we want to get out there is for folks to be aware of what they need to do to protect themselves from ash and soot and any fire debris," said Nichole Quick, chief medical consultant for the L.A. County Department of Public Health.

"Number one is we want to avoid contact," Quick added. "Whether that be from breathing small particles or contact with skin, eyes and so forth."

The Los Angeles area is expected to get a quarter of an inch to half an inch of rain beginning Saturday, while the mountain communities will see about 2-4 inches of snow.

"This fire burned two feet into the root. There's nothing left to keep the soil in place, and even one drop of rain will come down seven times faster than it would have prior to these fires," said Lisa Derderian with the city of Pasadena.

Officials across the affected areas began preparing Thursday for the upcoming rain by filling and stacking more than 15,000 sandbags, available for residents free of charge.

Thousands of acres of slopes are potential slide dangers now that a lot of the vegetation that anchors the soil is gone. The city hopes people near the fire areas start enforcing their properties as soon as possible, before this weekend's expected rain.

"We have concerns for the next five years on mud and debris flow on this current fire, so there's a lot to do," said Derderian.

Meanwhile, a massive collection of state, county and public utility resources are available at the Santa Anita racetrack. Affected residents can find everything from power equipment to K-rails and more than 400 members of the California Conservation Corps.

"The CCC is launching works that will help mitigate a lot of the debris flow of contaminants into the watershed of Los Angeles County," said Dana Howard with the California Conservation Corps.

Residents can pick up free sandbags at the following locations:

--Altadena Golf Course 1456 east Mendocino Street Altadena, CA 91001
--Victory Park 2575 Paloma Street Pasadena, CA 91107
--Robinson Park 1081 north Fair Oaks Avenue Pasadena, CA 91103
--Las Flores Creek Park 3895 Rambla Pacifico Street Malibu, CA 90265

The Associated Press contributed to this report.

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1:38 AM GMT

New brush fire breaks out in San Diego County near U.S.- Mexico border

Firefighters are battling a vegetation fire that broke out in San Diego County Thursday near the U.S.-Mexico border.

The Border Fire is burning near the Otay Mountain Truck Trail located within the Otay Mountain Wilderness area. The fire erupted at around 2:30 p.m. and quickly grew to 229 acres.

No evacuation orders have been issued. The cause of the fire is under investigation.

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12:26 AM GMT

Brush fire erupts along NB 405 in Seal Beach, shuts lanes

A brush fire erupted Thursday afternoon along the northbound lanes of the 405 Freeway in Seal Beach, promoting officials to shut down multiple lanes.

The blaze was reported around 1:20 p.m. near northbound 405 and northbound 605 freeways, the Orange County Fire Authority said. CHP shut down the transition road from the 405 to the 605 - going both directions.

According to the battalion chief, all northbound lanes were closed in the area, though lanes appeared to have since reopened to traffic.

OCFA said the fire was kept at 1 acre, did not threaten any structure and did not result in any injuries.

Carlos Granda Image
12:59 AM GMT

Residential areas east of 5 Fwy remains closed off due to Hughes Fire

Many were seen waiting in long lines of cars, hoping to be let back into their neighborhoods, with many waiting for hours for any new information

Meantime, crews were seen trying to clear power poles that were damaged by the Hughes Fire and toppled onto roadways, making for a very dangerous situation.

As of 5 p.m., the Hughes Fire had burned 10,176 acres and was 24% contained, according to CAL FIRE.

Residents in the Castaic area were still being kept out of zones evacuated due to the Hughes Fire as of midday Thursday.