Residents of the east and west coasts can both expect additional snow, rain and other wintry weather on Wednesday, as a winter storm in the Northeast and an atmospheric river in California cause travel havoc, power outages and more. Hundreds of flights were cancelled Tuesday as a winter storm dumped more than two feet of snow in parts of the Northeast and caused power outages for hundreds of thousands of homes and businesses. Additional snow is expected Wednesday in the area, though winter storm warnings are mainly expected to lift by the afternoon. Meanwhile, parts of northern and central California could also see snow accumulations into Wednesday, while the southern part of the state feared flooding. And a swath of the southeast is facing freezing conditions. Here’s what you need to know. What is a nor'easter?:Storms can batter East Coast with snow, impact millions of peopleMore:What is the polar vortex? In-depth look at how it can affect winter weather in the US.Winter storm warnings in New York, New England A winter storm warning remained in effect until 8 a.m. on Wednesday in Pennsylvania, New York and parts of New England, with heavy snow accumulations of up to 10 inches expected. Winds in the region could gust up to 45 mph. The National Weather Service warned that travel in the area could be difficult, and the weight of snow on tree branches is expected to cause power outages. If people must travel, they should keep an extra flashlight, food and water in their vehicles. A winter storm warning is in effect until noon on Wednesday in parts of Maine and New Hampshire, with snow expected to reach up to 5 inches. Winds could gust up to 55 mph Freeze warnings, advisories hit the South Freezing temperatures blanketed a stretch of the Southeast from Arkansas to the Carolinas on Wednesday. A freeze warning is in effect Wednesday morning in parts of Georgia, North Carolina and South Carolina, before a freeze watch takes effect in the states beginning Wednesday night. Temperatures as low as the "middle to upper 20s" are expected in the area, according to the National Weather Service. What’s the difference between a freeze watch and warning? A freeze watch “is issued when there is a potential for significant, widespread freezing temperatures,” according to the weather service. But a freeze warning is issued when those temperatures are "expected." e expected." A freeze warning is in effect in parts of Arkansas, Mississippi, Missouri and Tennessee until 9 a.m. on Wednesday. The weather service warned residents in the states that frost conditions can kill crops and could damage outdoor plumbing. What is an 'atmospheric river'? These rivers of water vapor can extend thousands of miles.What defines a blizzard? Heavy snow and high winds expected to sweep across country.California sees snow, flooding A winter storm warning stretched along northern and central California, bringing heavy snow across parts of the Golden State until Wednesday evening. Snow accumulations up to 10 inches are possible at higher elevations over 6,000 feet in Western Plumas County and the surrounding areas, while 20 inches are possible in areas above 8,000 feet. Winds could reach up to 70 mph. A storm that is creating an atmospheric river is spreading across the state, AccuWeather meteorologists explained, bringing rain and snow into Wednesday. What is an atmospheric river? They're streams of water vapor that can extend thousands of miles from the tropics to the West Coast, fueling rain and snowstorms that may cause flooding. A flood watch is in effect through Wednesday morning in parts of Los Angeles County and other sections of southern California, with heavy rain potentially flooding rivers and streams. The National Weather Service warned that “extensive street flooding,” is likely, while mudslides and rockslides are also possible. Winter storm tracker National weather radar Source link
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