An Arctic air mass has reached the eastern US today on the heels of a strong cold frontal system and this winter chill will extend all the way down to the state of Florida by later tonight. Another Arctic air mass will push into the north-central US early this weekend and it’ll spread to the east coast later in the weekend. The frontal boundary zone at the leading edge of the weekend Arctic blast will act as a catalyst for waves of low pressure to form and one system can bring some snow to parts of the eastern US from later Friday night to Saturday and a second on Sunday. The second low pressure system can bring snow to unusual places in the southeastern part of the nation on Sunday, and its snow field may extend far enough to the north and west to have an impact in the DC-to-Philly-to-NYC corridor. Following the passage of the Sunday system, yet another Arctic air mass will drop south and east into the northern US on Sunday night, and it’ll put the Mid-Atlantic region and Northeast US into the deep freeze by time Monday night and Tuesday roll around. Looking ahead, numerous signs point to additional Arctic air outbreaks as we work through the last week of January and this time period could feature some extreme cold.
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Much colder has arrived in the Tennessee Valley on the heels of a strong cold frontal passage and temperatures today will do no better than the upper 30’s for afternoon highs. By late Friday and Friday night, there will be the chance for rain and/or snow shower activity as an upper-level disturbance drop south and east in the eastern states with plenty of cold air in place.
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The next couple of weeks are likely to feature multiple Arctic air outbreaks across the eastern half of the nation and even the state of Florida will be impacted (watch out iguanas). This kind of evolving pattern that features a major disruption of the polar vortex can certainly include some extreme cold during what is statistically speaking the coldest time of the year later in the month. This cold weather pattern will be quite active as well with multiple snow threats along the way for the Great Lakes, Midwest, Mid-Atlantic and Northeast US...and perhaps some snow this weekend in unusual places like the Southeast US.
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Our Tuesday will be quite mild across the Tennessee Valley with afternoon highs around here in the upper 50’s. There is much colder weather in sight, however, and we could feature overnight low temperatures down in the lower 20’s by later this week.
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Our warming trend continues around here today and afternoon high temperatures are likely to be in the middle 60’s to go along with mainly cloudy skies and a gusty wind from the southwest. It’ll turn unseasonably warm by the late week with highs near the 70-degree mark on Thursday and Friday and there will be a good chance of showers. It turns colder later in the weekend following the passage of a strong cold front trailing low pressure that’ll pass over the Great Lakes.
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It has been persistently cold in the northeastern states from around Thanksgiving Day to the present time with the month of December being observed as the coldest since 2010 in many spots including Washington, D.C. and New York City. A warmer weather pattern is on the way, however, which will bring noticeably milder conditions to the region in the Wednesday through Saturday time period. The peak in temperatures will come on Friday and Saturday for the northeastern states, but both of those will feature some rainfall dampening the mood a bit. The next strong cold front looks like it’ll arrive in the eastern states late on Saturday, and its passage will reverse the warmer trend by the time we get to the second half of the upcoming weekend and the early part of next week.
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Our warming trend continues as we begin the new year and highs for the late week and weekend will be in the middle and upper 50’s...60 degrees is likely for highs during the early part of next week.
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The week began on the chilly side, but it’ll turn milder today with afternoon highs close to the 50-degree mark. The warming trend continues as we begin the new year and highs by the late week will be in the middle and upper 50’s...60 degrees is possible by early next week.
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The week begins on the chilly side but should end with mild weather across the Tennessee Valley region. Temperatures today should peak in the low-to-mid 40’s and can climb into the upper 50’s by the end of the week.
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While the nation’s mid-section enjoys rarely ever-seen sustained warmth for the next few days, the northeastern states will continue to experience plenty of winter weather right into the early part of January. One system is bringing some accumulating snow today to the northern Mid-Atlantic region and Northeast US and some interior higher elevation locations will receive several inches. Another storm system is likely to threaten the Mid-Atlantic region and Northeast US on Friday with significant accumulating snow in some areas and substantial icing in others. A key player at the end of the week will be a strong high-pressure system over southeastern Canada which will act as an anchor for low-level Arctic air that can lead to frozen precipitation throughout the Mid-Atlantic region and Northeast US.
Looking ahead to next week, the winter weather pattern is likely to continue across the northeastern states with two major-league Arctic air outbreaks on the table. Both of these Arctic air masses will have originated up across the northwestern part of Canada where temperatures on Monday morning bottomed out at -67.7°F... reportedly the lowest temperature in Canada since January 1999…in other words, get ready, next week’s Arctic invasions might be quite noteworthy.
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