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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Dry and mild weather is expected today across the metro region with plenty of sunshine and afternoon high temperatures in the lower 60’s. It turns colder on Friday on the heels of a frontal passage with temperatures likely holding in the upper 40’s for afternoon highs.
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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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An Arctic air mass has pushed into the Mid-Atlantic region on the heels of a strong cold frontal passage and temperatures have very likely already reached their highs for the day. The winds will be quite strong through the day from a west-to-northwest direction making it feel even colder than the actual ambient temperatures. It stays much colder-than-normal on Friday and then an upper-level disturbance will head in this direction on Friday night and Saturday potentially resulting in some snow and/or rain to the metro region. Another system will then try to slide up along the east coast on Sunday and it can bring some snow or snow shower activity to the area during the second half of the weekend. More Arctic air is on tap for the Mid-Atlantic during the early part of next week.
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An Arctic air mass has pushed into the Mid-Atlantic region on the heels of a strong cold frontal passage and temperatures have very likely already reached their highs for the day. The winds will be quite strong through the day from a west-to-northwest direction making it feel even colder than the actual ambient temperatures. It stays much colder-than-normal on Friday and then an upper-level disturbance will head in this direction on Friday night and Saturday potentially resulting in some snow and/or rain to the metro region. Another system will then try to slide up along the east coast on Sunday and it can bring some snow or snow shower activity to the area during the second half of the weekend. More Arctic air is on tap for the Mid-Atlantic during the early part of next week.
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An Arctic air mass has pushed into the Mid-Atlantic region on the heels of a strong cold frontal passage and temperatures will drop to the 20’s from their early day highs in the 30’s. There can be another snow shower or two during the morning hours and perhaps some graupel (snow pellets) mixed in at times. The winds will be quite strong through the day from a west-to-northwest direction making it feel even colder than the actual ambient temperatures. It stays much colder-than-normal on Friday and then an upper-level disturbance will head in this direction on Friday night and Saturday potentially resulting in some snow or snow shower activity around here. Another system will try to slide up along the east coast on Sunday and it too can bring some snow or snow shower activity to the area during the second half of the weekend. More Arctic air is on tap for the Mid-Atlantic during the early part of next week.
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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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It’ll be relatively mild for another day on the front side of a cold front with afternoon temperatures likely climbing to the 50-degree mark. As the cold front approaches, low pressure will form along its boundary zone and there will be some rain from later today into the overnight hours. As the colder air rushes in later tonight, the rain can mix with or change to snow for a brief time during the wee hours of Thursday morning. Watch out for slick spots late tonight/early Thursday given the combination of a brief period of snow and the rapidly falling temperatures. Temperatures on Thursday will struggle to climb above freezing and the teens are likely for overnight lows going into early Friday morning.
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It’ll be relatively mild for another day on the front side of a cold front with afternoon temperatures likely climbing to the lower 50’s. As the cold front approaches, low pressure will form along its boundary zone and there will be some rain from later today into the overnight hours. As the colder air rushes in later tonight, the rain can mix with or change to snow for a brief time during the wee hours of Thursday morning. Watch out for slick spots late tonight/early Thursday given the combination of a brief period of snow and the rapidly falling temperatures. Temperatures on Thursday will struggle to climb above freezing and the teens are likely for overnight lows going into early Friday morning.
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It’ll be relatively mild for another day on the front side of a cold front with afternoon temperatures likely climbing to near 50 degrees. As the cold front approaches, low pressure will form along its boundary zone and there will be some rain from later today into the overnight hours. As the colder air rushes in later tonight, the rain can mix with or change to snow for a brief time during the wee hours of Thursday morning. Watch out for slick spots late tonight/early Thursday given the combination of a brief period of snow and the rapidly falling temperatures. Temperatures on Thursday will struggle to climb above freezing and the teens are likely for overnight lows going into early Friday morning.
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