A high impact weather event is underway for much of the eastern US with bands of accumulating snow to be followed by extreme cold and dangerous sub-zero wind chills. A powerful storm over the western Atlantic Ocean is intensifying rapidly on its way to the east of Maine by early tonight. This storm will reach hurricane-like strength by tonight with its central pressure bottoming out at category 3 (major) hurricane levels. Extremely cold air will pour into the eastern US on the heels of this ocean storm and winds will strengthen significantly for tonight, tomorrow and Saturday. The combination of wind gusts past 40 mph and the extremely cold temperatures will generate dangerous sub-zero wind chill values for an extended period of time from tonight to Saturday night. After that, some moderation in temperatures should arrive early next week, but that temporary “warm up” may be accompanied by some wintry precipitation.
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A high impact weather event is unfolding for much of the eastern US with accumulating snow to be followed by extreme cold and dangerous sub-zero wind chills. A powerful storm over the western Atlantic Ocean will deepen explosively during the next 24-36 hours as it moves generally northward from off the Florida coastline today to just east of Maine by tomorrow night. This storm will develop hurricane-like strength by tomorrow night when its central pressure could bottom out near 28.14 inches (953 millibars) – this is on the same level as category 3 (major) hurricanes. Extremely cold air will pour into the eastern US on the heels of this ocean storm and given its intense pressure gradient, winds will strengthen significantly on Thursday night and Friday. The combination of wind gusts past 40 mph and the extremely cold temperatures will generate dangerous sub-zero wind chill values for an extended period of time from Thursday night to Saturday night. After that, some moderation in temperatures should arrive early next week, but that temporary “warmup” may be accompanied by some wintry precipitation.
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The bitter cold weather pattern of the past couple of weeks for the eastern two-thirds of the nation will not ease up at all this week and an added feature will be a powerful storm that develops over the western Atlantic Ocean during the next 24-36 hours. This storm is likely to generate ice and accumulating snow over the next couple of days all the way from Florida to New England and significant accumulating snow can fall in this region on the order of 3-6 inches with even higher amounts to the east over Long Island and southeastern Connecticut. Any shift westward in the storm track could result in even more snowfall for the metro region – still within the realm of possibility.
Perhaps even more important than any snow that falls from this upcoming storm will be the extreme cold that follows throughout the eastern US in the Thursday night-to-Saturday time period. Wind chills will reach dangerous sub-zero levels as winds gust to 50 mph or so in this late week time period and power outages may become a real concern; especially, across coastal sections. A relaxation in temperatures is likely to arrive in the Mid-Atlantic region by early next week, but there may be a wintry mix of rain, sleet and/or snow to accompany this temporary “warm up”.
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The bitter cold weather pattern of the past couple of weeks for the eastern two-thirds of the nation will not ease up at all this week and an added feature will be a powerful storm that develops over the western Atlantic Ocean. This storm is likely to generate ice and accumulating snow from Florida to New England over the next couple of days and accumulating snow can fall all the way back to the immediate I-95 corridor region between DC and Philly. Temperatures today will stay below freezing across about 80% of the nation and record lows have been set this morning in dozens of locations repeating a similar performance of yesterday morning. Perhaps even more important than any snow that falls from this upcoming storm will be the extreme cold that follows in the eastern US during the Thursday night to Saturday time period. Wind chills will reach dangerous sub-zero levels as winds gust to 50 mph or so in this late week time period and power outages are a concern. A relaxation in temperatures is likely to arrive in the Mid-Atlantic region by early next week, but there may be a wintry mix of rain, sleet and/or snow to accompany that “warm up”.
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A storm will form off of the east coast of Florida on Wednesday and it’ll become a monster by the time it reaches the area east of Maine on Thursday night. With this expected track, the DC-to-Philly-to-NYC corridor will be on the western edge of the storm’s precipitation field and accumulating snow is a threat around here in the Wednesday night/Thursday morning time frame and especially likely in areas to the east of the NYC metro region (e.g, Long Island, SE CT. Following this storm, more extreme cold will move into the I-95 corridor for Thursday night, Friday and Saturday and wind chills will drop to dangerous sub-zero levels as winds gust to 40 mph or so. Looking ahead, some moderation in temperatures is likely to finally arrive in the Mid-Atlantic region during the early part of next week and this may result in a period of rain, sleet and/or snow.
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Arctic cold will be relentless and punishing for much of the nation for several days to come and many areas will be experience some of the coldest weather in decades to begin a new year. In fact, the three week stretch from around December 20th to January 10th could be one of the coldest stretches we’ve had across much of the nation in a long, long time. A clipper system will drop southeastward and into the DC-to-Philly-to-NYC corridor on Saturday – likely with accumulating snow on the order of a dusting to an inch or two – and it will usher in the coldest Arctic air mass so far in this cold wave for the Sunday, Monday, and Tuesday time period. Indeed, average temperatures in the eastern two-thirds of the nation may be the coldest ever to start a new year in about 70 years of record keeping.
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Our relentless Arctic cold weather will continue through next week and the lowest temperatures are likely still to come. A fast-moving “clipper” system will drop southeastward into our area by tomorrow and it can produce some accumulating snowfall in the Mid-Atlantic region despite its lack of available moisture. With cold air firmly in place, the "snow-to-liquid" ratios will be quite high (~20:1) and this may result in a dusting to an inch or two despite the limited "precipitable water" content. This “clipper” system will then usher in a fresh frigid Arctic air mass for Sunday, Monday and Tuesday and this will be an extremely cold period for much of the eastern US. In fact, temperatures around here could start the new year on Monday morning not far from the zero degree mark in many spots. Looking ahead, there may be another threat for snow during the middle of next week, but odds currently favor that potential system forming a bit too far off the coastline for any important impact around here. Stay tuned.
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Arctic cold will be relentless and punishing for much of the nation for several days to come and many areas will be experience some of the coldest weather in decades to begin a new year. In fact, the three week stretch from around December 20th to January 10th could be one of the coldest stretches we’ve had across much of the nation in a long, long time. A "clipper" system will drop southeastward and into the Mid-Atlantic region by Saturday – likely with some accumulating snow on the order of a dusting to an inch or two – and it will usher in brutally cold Arctic air for the Sunday, Monday, and Tuesday time period. Indeed, it will be frigid on New Year’s Eve at Times Square in New York City, for all activities on the National Mall in Washington, DC and it will be brutal for the Mummer’s Parade in Philly on Monday. Looking ahead, there may be a snow threat coming to the east coast during the middle or latter part of next week, but it is too early to say if this potential system develops close to the coast or too far off the coast.
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Our relentless Arctic cold weather will continue right through next week and the worst may be yet to come. Arctic high pressure dominates the scene across the eastern two-thirds of the nation and this will be the case for many more days. A clipper system will drop southeastward into our area by Saturday and it can produce some accumulating snow in the Mid-Atlantic region. This clipper system will usher in a fresh Arctic air mass for Sunday, Monday and Tuesday which will be an extremely cold period for much of the country. A bigger snow threat looms for the middle of next week as a storm may ride up the east coast.
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The weather pattern across the nation will become quite wild over the next couple of weeks with widespread bitter cold and multiple snow threats. After a mild and wet day on Saturday in the Mid-Atlantic region, a strong cold front will pass through the region and not only usher in a colder air mass, but begin a pattern change to more sustained cold. In fact, it looks like once this colder pattern sets up in the Mid-Atlantic region, it’ll stick around going well into the month of January. In addition to the upcoming cold, there are multiple snow threats going forward including a relatively minor one for the Mid-Atlantic region on Sunday night/early Monday and then a much bigger threat at the end of next week which could be followed by bitter cold air.
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