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High winds, torrential rains lash California, killing at least two

2023-01-06T04:38:26Z

A massive Pacific storm unleashed high winds, torrential rains and heavy snow across California for a second day on Thursday, knocking out power to tens of thousands of homes and disrupting road travel with flash floods, rock slides and toppled trees.

At least two fatalities have been reported since Wednesday, one of them a toddler killed by a fallen redwood crushing a mobile home in northern California.

And while the extent of flooding and property losses was less dire than many had predicted by the time the storm began tapering off late on Thursday, forecasters warned that more was soon to come.

The storm was powered by two overlapping phenomena – an immense airborne stream of dense moisture from the ocean called an atmospheric river, and a sprawling, hurricane-force low-pressure system known as a bomb cyclone.

The blast of extreme winter weather marked the third and strongest atmospheric river to strike California since early last week, with at least two more back-to-back storms forecast over the next several days.

The next was expected to arrive late on Friday, posing a renewed threat of flash flooding and mudslides in places now saturated from repeated downpours, the National Weather Service (NWS) said. The most vulnerable areas remained those in hillsides stripped bare of vegetation from past wildfires.

The San Francisco Bay area, the state capital Sacramento and surrounding region were still recovering from extensive flood damage, including levee breaches along the Cosumnes River, when the latest bout of showers hit.

The latest storm doused San Francisco with about 2 inches (51mm) of rain and the coastal mountains north and south of the city with 5 to 7 inches, according to meteorologist Rich Otto at the NWS Weather Prediction Center in Maryland.

Snow accumulations of a foot (0.3 meters) to 18 inches or more were measured in the Sierras, the weather service said.

High-wind advisories and gale warnings were posted up and down the state, as uprooted trees, already weakened by drought and poorly anchored in rain-soaked soil, knocked down power lines and blocked roadways.

Hazardous surf warnings were in effect for the state’s three northernmost coastal counties – Mendocino, Humboldt and Del Norte – where three-story waves pounded the shoreline and crashed over beaches. [nL1N33Q2LA]

HUMAN TOLL

Authorities have reported at least two weather-related deaths from the latest storm. A tree that crashed onto a trailer home overnight killed a 1- or 2-year-old boy, and a 19-year-old woman died when her car skidded off a partially flooded road into a utility pole on Wednesday.

Four other deaths have been attributed to the New Year’s weekend storm that swept northern California – three flood victims found in or near their cars and an elderly man found dead under a fallen tree.

As many as 180,000 homes and businesses, mostly in northern and central California, were without power early on Thursday, according to data by Poweroutage.us.

“This was one of the most powerful winter storms to hit our region in years,” said Megan McFarland, a spokesperson for Pacific Gas and Electric Company, the main utility for northern and central California.

Flooding, fallen trees and power lines left major roadways impassable in Point Arena and Gualala, two small Mendocino County coastal communities about 125 miles (201.17 km) north of San Francisco, which have experienced blackouts since Wednesday.

Farther north at Noyo Harbor in Fort Bragg, professional urchin diver Grant Downie said he moved his boat out of the water ahead of the storm as a precaution.

“The boat, insured or not, I feel safer with it on the truck getting hit by a tree than sinking in the water,” he said.

Crews in San Francisco spent the early morning hours clearing debris from felled trees that blocked roadways. The city’s fire department rescued a family trapped when a tree fell across their car.

Authorities advised Sonoma County residents near the Russian River between the wine country towns of Healdsburg and Jenner to evacuate their homes as the rain-swollen waterway neared flood stage.

Evacuation warnings were also issued in oceanside towns such as Santa Cruz. Officials shut down a 55-mile stretch of Route 1, a scenic coastal highway, due to flooding and debris. In Santa Barbara County, homes were ordered evacuated in three areas where hill slopes were left denuded by wildfires.

For Californians, the latest storms vividly illustrated the consequences of warmer sea and air temperatures wrought by climate change, producing atmospheric river storms with increasing frequency and intensity in the midst of extreme, multi-year drought.

While the Sierra snowpack, a major source of California’s water supply, was left at well above average for this time of year by the storms, much more will need to accumulate through winter to markedly diminish the drought, experts say.

Related Galleries:

The view from a drone of flooded properties after rainstorms swelled Scotts Creek in Upper Lake, California, U.S., January 5, 2023. REUTERS/Fred Greaves

A handicapped parking sign crushed by driftwood tossed into the parking lot of Van Damme beach by high surf is seen following storms in Mendocino, California, U.S. January 5, 2023. REUTERS/Fred Greaves

Waves brought by a massive Pacific storm rush ashore in Santa Cruz, California, U.S. January 5, 2023 in this still image obtained from social media video. Dane Nabal/via REUTERS

Local residents survey the area around the Guerneville bridge and the Russian River after a new bout of rainstorms threatened flooding in Guerneville, California, U.S. January 5, 2023. REUTERS/Peter DaSilva

A damaged pier is seen after rainstorms known as “atmospheric river” slammed northern California, in Santa Cruz, U.S., January 5, 2023. REUTERS/Carlos Barria

Local residents look at the debris at a beach after rainstorms known as “atmospheric river” slammed northern California, in Santa Cruz, U.S., January 5, 2023. REUTERS/Carlos Barria

A lighthouse is seen after rainstorms known as “atmospheric river” slammed northern California, in Santa Cruz, U.S., January 5, 2023. REUTERS/Carlos Barria

Traffic navigates around downed tree limbs along 19th Avenue after a new bout of rainstorms threatens to flood San Francisco, in California, U.S. January 4, 2023. REUTERS/Peter DaSilva

A local resident crosses a street as rainstorms hit the city of San Francisco, in California, U.S., January 4, 2023. REUTERS/Carlos Barria

View of the Golden Gate Bridge in San Francisco as rainstorms known as “atmospheric river” slam northern California, U.S., January 5, 2023. REUTERS/Carlos Barria

Television reporters stand by a damaged gas station in Daly City, after rainstorms known as “atmospheric river” slammed northern California, U.S., January 5, 2023. REUTERS/Carlos Barria


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