A winter storm that poured up to 15 centimeters of snow and forced the closure of coronavirus test sites in the middle of the country is expected to bring more precipitation to parts of the Northeast on Wednesday, while meteorologists warn of an “atmospheric river” that will generate dangerous travel conditions on the West Coast.
The National Meteorological Service (NWS) also has winter weather warnings and storm warnings in place for Tennessee Valley states, Mid-Atlantic and Southeast regions, where “sparse and widespread rains” are expected by Thursday morning. market.
“Snow can remain in parts of the Northeast while any persistent rainfall in the south decreases rapidly,” the NWS said in a statement on Wednesday. “An overall size of 5 to 10 cm can be expected, with locally higher quantities, especially in the mountains.”

A lone man walks along a frozen section of North Ave. Beach on Lake Michigan north of downtown Chicago on Tuesday. (AP)
STORM SYSTEM TO BRING MORE SNOW, RAIN TO THE EASTERN USA, WHILE CALFORNIA FACES HEAVY PRECIPITATION
“Snow can mix with rain in the middle of the South Atlantic on Thursday morning, as the low pressure area strengthens and continues to precipitate towards the east in the Atlantic,” he added.
Meanwhile, the west is being hit by an incredible amount of rain and feet of snow when an “atmospheric river” forms and brings continuous peaceful humidity to the region.
“Mountain snow is likely to be heavy at times in Sierra Nevada,” the NWS said on Wednesday. “Several feet of snow (up to 10 feet) will add up to Thursday night, with road closures and travel delays most likely.”
Blizzard warnings are also in effect for that region, while moderate to heavy rainfall is forecast for central and southern California.
“In the next three days, up to 25 to 40 centimeters of rain can fall along the central California coast, approximately between Monterey and Santa Barbara,” said the consultant. “This amount of rain over a 72-hour period is very rare in this region, with an annual probability of exceeding just 2 percent.”

An electronic traffic sign warns drivers heading east on Interstate 70 about difficult driving conditions as a winter storm sweeps across the western mountain range on Tuesday in Aurora, Colorado (AP).
CALIFORNIA EVACUATION ORDERS EXPANDED DUE TO MUDSLIDE THREATS
In the center of the United States, wind-blown snow continues to impact travel on Wednesday. Interstates were temporarily closed in western Nebraska and Wisconsin, near Milwaukee, because of yesterday’s accidents, and many flights were canceled at airports in the region. Authorities have urged drivers to stay off the road.
Several coronavirus testing sites closed Monday and Tuesday in Nebraska and Iowa, as both states saw 30 to 40 centimeters of snow in places.
About 25 centimeters were recorded in parts of Wisconsin, while more than 15 centimeters were measured in the Chicago area.
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Most of Nevada is also preparing for another series of powerful storms that have generated a rare blizzard warning along with a forecast of up to 6 feet of snow and gusts of over 160 km / h in the mountains above Lake Tahoe in the early Friday. At the lake level, the weather service provides 2 to 4 feet of snow with 50 mph gusts of wind.
“Travel can be almost impossible or even paralyzed with almost no visibility until Friday morning,” said the service.
Fox News’s Janice Dean contributed to this report, as well as The Associated Press.