SANTA ROSA, Calif. (AP) – Storms brought rain to California on Monday and increased the risk of mudslides in fire-ravaged communities, driving property owners to stack sandbags in devastated northern wine country areas and leading authorities to order evacuations for Southern California neighborhoods below hillsides burned by the state’s largest wildfire in history.
Forecasters issued a flash flood watch for parts for Sonoma and Mendocino counties north of San Francisco, warning that heavy rainfall could trigger mudslides in areas devastated by October wildfires. More than an inch had fallen by Monday night in Santa Rosa, the city that suffered the biggest losses in the fires.
The blazes leveled entire neighborhoods, killing 44 people and destroying more than 8,900 homes and other buildings.
“City crews are actively driving around looking for signs of any flooding, mudslides, things of that nature. They are making sure water is flowing, making sure debris clogging storm drains or gutters is cleared up,” said Santa Rosa Assistant Fire Marshal Paul Lowenthal, who encouraged residents near burned areas to have evacuation plans in case they need to flee.
“The fire damaged a significant amount of trees and although a lot of the trees have been cut down and removed, there are still a lot of trees that could be a concern,” he said.
A yearslong drought eased in California last spring, but Northern California had a dry start to winter and hardly any measurable rain fell in the south over the past six months. The extremely dry conditions and high winds last year led to some of the most destructive blazes on both ends of the state.
Now, the storm coming in from the Gulf of Alaska could dump up to 4 inches (10 centimeters) of rain on Northern California areas still recovering from fires before clearing up by Tuesday evening, National Weather Service meteorologist Steve Anderson said.
“Everything is soaking into the ground at this time, but if it gets very heavy, it could trigger a flash flood warning,” Anderson said.
In Southern California, more than 20,000 people were evacuated from neighborhoods beneath hillsides laid bare by the state’s largest wildfire and other recent blazes amid fears of flash floods and debris flows.
Robert Lewin, director of the Santa Barbara County Office of Emergency Management, urged residents in parts of Summerland, Carpinteria and Montecito to leave by midday. Parts of Ojai in Ventura County were also under evacuation orders.
The hillside communities were evacuated last month as the massive Thomas fire raged. Evacuations also include homes near other burn areas dating to 2016.
“Creeks that normally would be dry would turn into raging rivers of mud and debris and large rocks and trees,” Lewin said. “These can be quite damaging. They’ll destroy roads, they’ll take out homes.”
In the foothills above seaside Carpinteria, about 220 students and 60 faculty members were riding out the storm at the college preparatory Cate School instead of evacuating as they did before, when the fire incinerated surrounding vegetation.
“We’re on a mesa in the foothills and we have two drainages on either side of us,” Headmaster Benjamin D. Williams IV said.
Williams expected those canyons would fill with runoff but decided the school’s campus would be safe after discussions with county officials. Access could be a problem, he said, but the school has plenty of food and supplies.LIVE INTERACTIVE RAIN RADAR
“We see worst case a couple of days,” he said. “We certainly have enough to satisfy everyone for the remainder of this week.”
In the foothills just northeast of Los Angeles, residents placed sandbags outside houses that survived a December fire that scorched more than 24 square (62 square kilometers) miles, destroyed 60 homes and damaged 55 others.
The weather service also issued a winter weather advisory for portions of the Sierra Nevada above 7,000 feet (2,134 meters), forecasting about 4 to 7 inches (10 to 18 centimeters) of snow and up to 1 to 2 feet (30 to 61 centimeters) on higher peaks Tuesday. It said travelers should prepare for difficult travel conditions, including gusty winds, low visibility and snow-covered roads.
Rodriguez reported from San Francisco. Associated Press writers Christopher Weber and John Antczak in Los Angeles also contributed to this report.WHAT OTHERS ARE CLICKING ON:
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