US East endures flooding, with snow in the forecast for the Northeast. Frigid cold in the Plains
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LOUISVILLE, Ky. (AP) — Much of the U.S. East endured a renewed round of harsh, soggy weather Saturday, with snowstorms predicted in the Northeast and heavy winds bringing the threat of tornadoes to the Mississippi Valley.
Kentucky, Tennessee, West Virginia and Arkansas were under flood warnings, and people were warned by the National Weather Service to stay off roads. Parts of western Kentucky could face up to 8 inches (20.3 centimeters) of rain.
Gov. Andy Beshear preemptively declared a state of emergency in Kentucky, where flash flooding was expected into Sunday. Flash flooding hit some roads in Bowling Green.
“We want to specifically put assets in places that flood and have flooded in the past,” Beshear said on social media.
Photos posted by authorities and users on social media showed cars and buildings underwater in Warren County, Kentucky, and in Buchanan County, Virginia, where the sheriff’s office said multiple roads were blocked by mudslides.
The weather service said flash flooding was possible in the Mississippi, Tennessee and Ohio valleys. In Tennessee, flash flood warnings were issued for much of the middle of the state through the evening.
The National Weather Service called the expected rain a “major, potentially historic, flash flood event.”
Meanwhile heavy snow was expected to blanket much of New England and then transition to sleet, making travel nearly impossible. The heaviest accumulations — possibly a foot (30.5 centimeters) or more — were expected in upstate New York and portions of northern New England.
“Ice accumulations up to a quarter inch are forecast for some areas, making driving conditions dangerous. Heavy icing in some locations may result in downed trees and power outages,” the weather service warned.
Snow and arctic temperatures swept much of the Midwest and Upper Plains, covering roads in eastern Nebraska, northern Iowa and much of Wisconsin. Winter weather advisories were issued for parts of those states and Michigan, with up to 4 inches (10.6 centimeters) of snow predicted throughout Iowa, southern Wisconsin and most of Michigan by Sunday evening.
Frigid polar vortex arrives Saturday
Meteorologists said the U.S. was about to get its 10th and coldest polar vortex stretching event this season, with the northern Rockies and northern Plains first in line. Weather forces in the Arctic are combining to push the chilly air that usually stays near the North Pole into the U.S. and Europe.
In Denver, where temperatures were expected to dip as low as 14 degrees (minus 10 degrees Celsius) over the weekend, the city opened shelters for those living on the streets.
Forecasters reported an inch (2.5 centimeters) of snow falling every hour just north of Denver. In Boulder County, an unoccupied vehicle that was stuck in the snow after attempting to cross railroad tracks was struck Saturday afternoon and mangled by a train. There were no injuries, but authorities warned drivers about slick roads.
The weather service also warned of extreme cold in the Upper Plains over the coming days, with wind chills ranging from minus 30 degrees (minus 34 degree Celsius) to as low as minus 60 (minus 51 degrees Celsius) in parts of western Montana, North Dakota, northern South Dakota and western Minnesota. People in those areas were urged to stay indoors and make provisions to shelter livestock and other animals.
California struggles with mudslides
Dry weather returned to Southern California after the strongest storm of the year. But the risk of rock and mudslides on wildfire-scarred hillsides continued because dangerous slides can strike even after rain stops, particularly in areas where vegetation that helps keep soil anchored has burned away.
Water, debris and boulders rushed down the mountain in the city of Sierra Madre on Thursday night, trapping at least one car in the mud and damaging several home garages with mud and debris. Bulldozers cleaned up mud-covered streets in the city of 10,000 people.
A storm in the Sierra Nevada dumped 6 feet (1.8 meters) of snow over 36 hours. Two Mammoth Mountain ski patrol workers were caught in an avalanche during avalanche mitigation work Friday morning, the resort said in a Facebook post. One was extracted and was responsive, while the other was taken to a hospital with serious injuries.
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Associated Press writers Susan Montoya Bryan in Albuquerque, New Mexico, Margery Beck in Omaha, Nebraska, and Olga R. Rodriguez and Eugene Garcia in California contributed.
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