A “clipper” system will drop southeastward today across the Great Lakes region and it likely produces occasional snow here from mid-day/early afternoon into the early evening hours. Small accumulations of a coating to an inch or two are possible…watch for slick spots later today as temperatures will remain below-freezing and the roadways are very cold. Temperatures will moderate on Friday to go along with dry conditions and then there can be some rain shower activity on Saturday - perhaps even a mix with ice or snow at times - this does not look like a heavy precipitation event.
On Sunday, a strong Arctic cold front will slide into the eastern states and it will be at the leading edge of a widespread Arctic air mass. A wave of low pressure is likely to form right along this frontal boundary zone somewhere over the southeastern states and it can then push to the northeast later Sunday into an increasingly colder air mass. As such, there is the chance for snow in the Mid-Atlantic region from later Sunday into Sunday night...perhaps beginning as rain and then changing to snow…accumulations are most definitely on the table.
By the time we get to Monday, Inauguration Day, most of the country will be in a deep freeze including the DC metro area where outdoor activities are planned for the swearing-in ceremonies. Single digit (actual) temperatures are likely on Monday night all along the DC-to-Philly-to-NYC corridor and they may do no better than the teens on Tuesday for afternoon highs.
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A “clipper” system will drop southeastward today across the Great Lakes region and it likely produces occasional snow here from mid-day/early afternoon into the early evening hours. Small accumulations of a coating to an inch or two are possible…watch for slick spots later today as temperatures will generally remain below-freezing and the roadways are very cold. Temperatures will moderate on Friday to go along with dry conditions and then there can be some rain shower activity on Saturday - perhaps even a mix with ice or snow at times - this does not look like a heavy precipitation event.
On Sunday, a strong Arctic cold front will slide into the eastern states and it will be at the leading edge of a widespread Arctic air mass. A wave of low pressure is likely to form right along this frontal boundary zone somewhere over the southeastern states and it can then push to the northeast later Sunday into an increasingly colder air mass. As such, there is the chance for snow in the Mid-Atlantic region from later Sunday into Sunday night...perhaps beginning as rain and then changing to snow…accumulations are most definitely on the table.
By the time we get to Monday, Inauguration Day, most of the country will be in a deep freeze including the DC metro area where outdoor activities are planned for the swearing-in ceremonies. Single digit (actual) temperatures are likely on Monday night all along the DC-to-Philly-to-NYC corridor and they may do no better than the teens on Tuesday for afternoon highs.
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Big-time changes will begin to take place later this weekend with very mild conditions on Saturday being replaced by much colder conditions on Sunday. An Arctic front will slide through the eastern states during the second half of the weekend, and it’ll usher in a widespread Arctic air mass that will encompass much of the nation. After temperatures climb to well up in the 50’s on Saturday ahead of the strong cold front, they’ll likely be confined to the 20’s on Monday and Tuesday for afternoon highs.
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An Arctic invasion with a Siberian connection will get underway by the early part of the weekend as bitter cold air from Canada plunges southward through the central states. By Sunday, the Arctic air mass will spread eastward towards the Atlantic seaboard and by the time we get to Monday, Inauguration Day, most of the country will be in a deep freeze including the DC metro where outdoor activities are planned for the swearing-in ceremonies. Temperatures are going to fall to well below-normal levels across much of the nation for the bulk of next week which is quite impressive indeed considering this is right around the time of year with the lowest “normal” temperatures.
The Arctic front at the leading edge of the cold air outbreak will reach the eastern states on Sunday and a wave of low pressure is likely to form right along its boundary zone. This Arctic wave could produce some accumulating snow in the Mid-Atlantic region from later Sunday into Sunday night. Another storm system could develop way down in the Gulf region by the middle of next week potentially bringing snow and ice to parts of the southern and eastern US. Looking ahead, there is even the chance for a third system to form across the southern states by the end of next week.
One final note, even before we get to the interesting weather of this weekend and next week, there can be some snow in the near-term across the Great Lakes, Mid-Atlantic, and Northeast US.
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It stays well below-normal during the next couple of days and some snow is likely later tomorrow as a disturbance crosses the Great Lakes….small accumulations are possible on the order of a coating to an inch or so. Temperatures will moderate for Friday and Saturday and there can be some rain shower activity during the first half of the weekend with an outside chance that ice and/or snow mixes in at times on Saturday.
A strong cold front is going to pass through early Sunday and set the stage for bitter cold Arctic air to move into the region for the bulk of next week. A wave of low pressure can form along the Arctic frontal boundary zone potentially producing some snow in the Mid-Atlantic region from later Sunday into Sunday night. The bitter cold will continue into mid-week and there can be another storm threat with its origins likely over the Gulf of Mexico.
Stay tuned…next week is looking quite interesting.
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Dry and warmer conditions are in the offing for today and Thursday, but big-time changes are on the way. After temperatures climb into the 40’s today and the 50’s on Thursday, the trend to the downside will begin on Friday and accelerate this weekend. In fact, bitter cold air is likely to flood this are by the weekend and it will come with a good chance of accumulating snow from Friday night into Saturday with several inches possible. Temperatures may do no better than the teens on Saturday and potentially be confined to the single digits for highs on Sunday.
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It stays well below-normal during the next couple of days and some snow is likely later tomorrow as a disturbance crosses the Great Lakes….small accumulations are possible on the order of a coating to an inch or so. Temperatures will moderate for Friday and Saturday and there can be some rain shower activity during the first half of the weekend with an outside chance that ice and/or snow mixes in at times early Saturday.
A strong cold front is going to pass through early Sunday and set the stage for bitter cold Arctic air to move into the region for the bulk of next week. A wave of low pressure can form along the Arctic frontal boundary zone potentially producing some snow in the Mid-Atlantic region from later Sunday into Sunday night. The bitter cold will continue into mid-week and there can be another storm threat with its origins likely over the Gulf of Mexico.
Stay tuned…next week is looking quite interesting.
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It stays well below-normal during the next couple of days and some snow is likely later tomorrow as a disturbance crosses the Great Lakes….small accumulations are possible on the order of a coating to an inch or so. Temperatures will moderate for Friday and Saturday and there can be some rain shower activity during the first half of the weekend with an outside chance that ice and/or snow mixes in at times on Saturday.
A strong cold front is going to pass through early Sunday and set the stage for bitter cold Arctic air to move into the region for the bulk of next week. A wave of low pressure can form along the Arctic frontal boundary zone potentially producing some snow in the Mid-Atlantic region from later Sunday into Sunday night. The bitter cold will continue into mid-week and there can be another storm threat with its origins likely over the Gulf of Mexico.
Stay tuned…next week is looking quite interesting.
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Upper-level ridging and surface high pressure will build over the region later this week and it’ll help to promote a warm-up that can result in temperatures well up in the 50’s by week’s end. Changes will begin to take place this weekend, however, as a strong upper-level trough forms over the central states. As such, colder air will make a return to the Tennessee Valley region and we’ll likely be confined to the 20’s for highs by early next week as Arctic air overspreads much of the nation.
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Widespread bitter cold air looks like it will overspread the nation next week and there can be multiple storm threats as well. Temperatures are likely to fall to well below-normal levels across much of the nation which is quite impressive considering the 3rd week of January is - from a climatological point-of-view - the coldest week of the year in many areas. An Arctic front is going to head into the eastern states later in the weekend and it will be at the leading edge of this incoming Arctic air mass...some of which may have its origins on the Siberian side of the North Pole. A wave of low pressure may form along the Arctic frontal boundary zone early next week potentially producing some snow in the Mid-Atlantic region for the period from late Sunday into Monday (Inauguration Day). Another storm threat could come at mid-week with its origins way down south and perhaps there will even be a third one during the late week time period.
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