The next couple of weeks will feature some of the worst weather winter has to offer with bitter cold conditions and a major storm system that can bring a crippling ice event to some areas this weekend and significant snowfall to others. The coldest core of the current Arctic air outbreak has reached the Mid-Atlantic region, and temperatures are likely to bottom out later tonight in the single digits across many suburban locations along the I-95 corridor. There will be a temporary modification in temperatures on Thursday in the Mid-Atlantic region and then another Arctic air mass will push in for the upcoming weekend. This late week/weekend blast will feature some incredible cold with temperatures as low as 30 degrees below zero in portions of the Upper Midwest/Northern Plains, and more bitter cold is a likelihood in the Mid-Atlantic region during the upcoming weekend. By the end of the week, moisture will be gathering across the south-central states. As this moisture pushes to the north and east, it will encounter this very cold air mass, and the result will be icing across many southern states – potentially a crippling event - and significant accumulating snow farther to the north and this potentially includes the Mid-Atlantic region.
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The next couple of weeks will feature multiple Arctic outbreaks...some incredible cold...and the likelihood of a major weekend winter storm that will impact a large part of the nation in a variety of ways. The core of the coldest air associated with the current Arctic outbreak reaches the Mid-Atlantic region for the period tonight, tomorrow, and tomorrow night and some suburban locations can see single digits lows by early Wednesday. There will be a temporary modification in temperatures on Thursday in the Mid-Atlantic region and then another Arctic air mass will push in for the upcoming weekend. This late week/weekend blast will feature some incredible cold with temperatures as low as 30 degrees below zero in portions of the Upper Midwest/Northern Plains, and bitter cold is a possibility in the Mid-Atlantic region during the upcoming weekend.
At the same time the next Arctic invasion swallows up the northern states, moisture will be gathering across the south-central states. As this moisture pushes to the north and east, it will encounter this very cold air mass, and the result could be icing across many southern states – potentially a crippling event - and significant accumulating snow to the north. There will likely be a very strong Arctic high pressure system over the Northeast US this weekend anchoring the bitter cold air mass in place and the extent to which the moisture field can penetrate north and east into the Mid-Atlantic/Northeast US will have to be better determined in coming days. Suffice to say, the potential is there for a big-time impact this weekend in the Mid-Atlantic region given the Arctic cold to the north and copious amounts of moisture to our south.
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An active weather pattern is leading to a “doubleheader” of snow in the Mid-Atlantic region with snow from one system on Saturday and snow is likely from a second system on Sunday. The accumulations on Saturday with system number one will be be primarily from northern Maryland northward with lesser chances in the DC metro region. On Sunday, a coastal storm can bring accumulating snow all along the I-95 corridor and to coastal sections of the Mid-Atlantic. This overall pattern remains very cold with bitter cold conditions expected here on Monday night, Tuesday, and Tuesday night and the possibility still exists for some extreme cold during the last week of the month…and additional snow threats on the horizon.
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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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