As fire-fanning winds continue, Southern California readies for potential rain and toxic runoff

LOS ANGELES — Parched Southern California continued to face dangerous winds but could get some badly needed rain this weekend, forecasters said Tuesday, dampening the prospects of another round of killer wildfires though even a small amount of precipitation could could create new challenges like toxic ash runoff.

Los Angeles officials were preparing for that prospect even as a small number of residents were allowed to return to the devastated Pacific Palisades area and firefighters battled small blazes that broke out.

Mayor Karen Bass 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.

''This is to prevent additional damage to areas already ravaged by fire and also to protect our watershed, beaches and ocean from toxic runoff,'' Bass said during a news conference.

A 60% to 80% chance of a small amount of rain was forecast for Southern California starting Saturday, with most areas likely getting not more than a third of an inch (0.8 cm), according to Ryan Kittell, a meteorologist for the National Weather Service's office for Los Angeles. However up to an inch (2.5 centimeters) could fall in localized thunderstorms, which would be a worst-case scenario if enough to trigger debris flows on scorched hillsides.

''But even if the rain doesn't materialize this time, it could be a good practice run for those communities because this will be a threat that they'll have to deal with for months or years,'' Kittell said.

In 2018, Montecito, a town 80 miles (130 kilometers) up the coast from Los Angeles, was ravaged by mudslides after a downpour hit mountain slopes burned bare by a huge wildfire. Twenty-three people died, and hundreds of homes were damaged.

Winds eased somewhat Tuesday afternoon after peaking at 60 mph (96 kph) in many areas, but gusty conditions were expected to return the next two days. Red flag warnings for critical fire risk were extended through 8 p.m. Thursday in LA and Ventura counties.

''If a fire were to get started, it could grow pretty fast,'' Kittell said.

''Our concern is the next fire, the next spark that causes the next wildfire,'' said David Acuna, a spokesman with the California Department of Forestry and Fire Protection, or Cal Fire. Another worry was that the two major blazes, the Palisades and Eaton fires, could break their containment lines as firefighters continue to keep watch for hot spots.

Fire engines and water-dropping aircraft allowed crews to swiftly douse several small blazes that popped up in LA and San Diego counties, officials said.

One of them, the Friars Fire, broke out near a San Diego mall and prompted evacuation orders as it sent flames up a hillside toward homes.

Meanwhile evacuation orders were lifted in the Bonsall area of San Diego County for the Lilac Fire, which burned through dry brush after threatening some structures, Cal Fire said. Nearby crews fully contained the Pala Fire, another small blaze.

In Los Angeles the previous day, firefighters quickly extinguished a small brush fire near the iconic Griffith Observatory in a sprawling park overlooking the city. A man suspected of starting the fire was taken into custody, police said.

Fire crews also swiftly extinguished a small blaze near Tujunga and another one in the Granada Hills neighborhood that temporarily closed northbound lanes on Interstate 405.

Southern California Edison preemptively shut off power to more than 60,000 customers in five counties to prevent new fires from being sparked by winds toppling electrical equipment; electricity was later restored to some. The utility was considering precautionary shutoffs for an additional 202,000 customers.

Authorities urged residents to review evacuation plans, prepare emergency kits and be on the lookout for fires and report them quickly.

Bass also warned that winds could carry ash and advised Angelenos to visit the city's website to learn how to protect themselves from toxic air during the latest Santa Ana wind event.

The low humidity, bone-dry vegetation and strong winds come as firefighters continue battling the Palisades and Eaton fires, which have killed at least 28 people and destroyed more than 14,000 structures since they broke out Jan. 7. Containment of the Palisades Fire reached 61%, and the Eaton Fire was at 87%.

The federal Bureau of Alcohol, Tobacco and Firearms is investigating the causes of the fires but has not released any findings.

Several lawsuits have been filed by people who lost their homes in the Eaton Fire, alleging Southern California Edison equipment sparked the blaze. On Tuesday a judge overseeing one of the lawsuits ordered the utility to produce data from circuits in the area where the fire started.

President Donald Trump, who criticized the response to the wildfires during his inaugural address Monday, has said he will travel to Los Angeles on Friday.

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Associated Press radio reporter Julie Walker in New York contributed.