A powerful winter storm brought heavy snow and ice to the Pacific Northwest, causing a major pileup on a key highway. Meanwhile, heavy rains from an atmospheric river caused flooding and mudslides in Southern California, prompting evacuations.
LOS ANGELES (AP) — Snow and ice in whiteout conditions contributed to a pileup involving as many as 30 cars on a major highway connecting Oregon and Idaho, reportedly injuring several people, as a winter storm descended on the Pacific Northwest Thursday.
To the south in Southern California, heavy rains accompanying the strongest atmospheric river of the season had already caused at least one rock slide and a large debris flow with evacuations ordered in some Los Angeles neighborhoods ravaged by wildfires at high risk of mudslides. The West Coast storms are just the latest in a week of bad weather across the U.S. that cut power to tens of thousands. \Pacific Northwest ice storm First responders searched every vehicle that was involved in the pileup near Multnomah Falls, about 25 miles (40 kilometers) east of Portland, the Multnomah County Sheriff’s Office said on social media. The office had initially said more than 100 cars were involved. The state transportation department later said between 20 and 30 vehicles were involved. High winds, snow and ice made it difficult to “assess how many vehicles were involved,” said department spokesperson Ryan McCrary. The Oregon State Police said troopers responded to eight separate crashes and that four people were taken to hospitals with minor injuries. The pileup happened in whiteout conditions in the westbound lanes of Interstate 84, authorities said, noting that an SUV caught fire but its occupants escaped. The sheriff's office said there were reports of injuries and people being trapped in their vehicles. Oregon State Police spokesperson Kyle Kennedy said in an email that there have been no reported deaths. Freezing rain and snow contributed to the pileup in Multnomah County, where officials extended a state of emergency through at least Friday and said eight emergency shelters would be open. Officials said 489 people went to the shelters Wednesday night. Wind chill readings could dip to 10 degrees (minus 12 Celsius) in Portland, the weather service said. Northwestern Oregon, including Portland, could see up to 3 inches (7.6 centimeters) of snow with winds gusting as high as 45 mph (72 kmh), according to the weather service. In southern Washington state, six people were taken to hospitals with injuries in multiple crashes involving more than a dozen vehicles on Interstate 5 near the Cowlitz River, said state patrol spokesperson Will Finn. \Too much rain too quickly in California? As the downpour intensified Thursday evening, the National Weather Service issued flash flood and severe thunderstorm warnings over a swath of eastern Los Angeles County. The rain caused a rockslide and pushed mud onto the road in Malibu Canyon, and a large debris flow left about 8 inches (about 20 centimeters) of mud across a road in the Hollywood Hills. Southern California could get as much as 6 inches (about 15 centimeters) of rain in the mountains and 3 inches (nearly 8 centimeters) in coastal areas and valleys before the system moves out Friday, said Brent Bower, a National Weather Service hydrologist. Powerful gusts could bring down trees, cause power outages and delay flights. Evacuation orders and warnings were issued in areas where hillsides were scarred by the Palisades Fire, the most destructive in LA history. Scorched areas are at risk of mudslides because vegetation that helps keep soil anchored has been burned away. The fires also added loose debris to the landscape, including ash, soil and rocks. Officials distributed sandbags, prepositioned rescue swimmers and told residents to have go-bags ready. Sandbags and temporary concrete barriers were in place across Altadena, where the Eaton Fire destroyed thousands of homes. 'If you can, stay off the roads today, especially this afternoon and evening,' the weather service office for Los Angeles posted on X. Malibu schools were closed Thursday. In Orange County to the south, the Knott’s Berry Farm amusement park closed due to the atmospheric river, a long band of water vapor that forms over the ocean and transports moisture from the tropics to northern latitudes. Despite recent storms, much of Southern California remains in extreme or severe drought, according to the U.S. Drought Monitor. Daniel Swain, a climate scientist with the University of California, Los Angeles, said that while the area is desperate for rain, this storm might bring too much too quickly. In Altadena, Mehran Daoudian prepared for the rain by laying tarp over a hole in his home's roof where fire burned through it last month. Daoudian said he was grateful that city workers had arranged sandbags and concrete barriers in his neighborhood over the past few weeks. “I did not leave the cars on the street because with the mudslide, (they) might go down,” he said. In the San Francisco Bay Area, there were power outages, small landslides and inundated roadways. North of the city in wine country, concerns were high along the flood-prone Russian Rive
WINTER STORM PACIFIC NORTHWEST ICE STORM PILUP SOUTHERN CALIFORNIA ATMOSPHERIC RIVER FLOODING MUDSLIDES EVACUATIONS POWER OUTAGES
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