An Arctic air mass that had its origins right near the North Pole will invade the eastern US early next week and there will be impacts felt all the way down to Florida. This will be the coldest air mass so far this season and many spots in the eastern states will experience their first hard freeze of the fall. A vigorous upper-level low will accompany this Arctic blast causing widespread unstable conditions and the result will likely be accumulating snow across some of the higher elevation Appalachian Mountains, and just downstream of the Great Lakes in those usual “favored” areas. And given an expected widespread area of unstable conditions, snow showers are even on the table for the immediate I-95 corridor from later Monday into Monday night. Looking ahead, it doesn’t look like there will be any sustained warmup across the northeastern part of the nation following this early next Arctic air outbreak with additional cold shots to follow into mid-month.
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After a quiet day today, clouds will pick up tomorrow and there can be showers and thunderstorms from late Friday into Friday night…some of the storms can be on the strong side. Looking ahead, a cold air mass with Arctic origins pushes into the eastern states by the early part of next week following a late weekend strong cold frontal passage. Temperatures will be well below normal on Monday and Tuesday of next week and overnight lows of below the freezing mark are on the table across northern Alabama.
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An active weather pattern over the next several days will feature a powerful wind event on Wednesday night across many northeastern states and then an Arctic invasion will take place across the eastern states early next week with impacts being felt all the way from Florida-to-Maine. The powerful winds on Wednesday night will be associated with an intensifying low-pressure system that forms along a strong cold frontal boundary zone, and 50-60 mph wind gusts are on the table for the Mid-Atlantic region and Northeast US…some power outages are possible.
By the end of the upcoming weekend, another strong cold front will slide across the Great Lakes and into the eastern states, and this front will be at the leading edge of the coldest air mass of the season so far. Low pressure will develop along the frontal boundary zone, and it will be supported aloft by a vigorous low which will drop south and east into the central Appalachians. This combination of a strong surface low and a powerful upper-level low will ensure accumulating snow in many areas including the Great Lakes and interior sections of the Mid-Atlantic region and Northeast US. In fact, given the high levels of instability expected around here early next week, and the well below-normal temperatures, snow shower activity is certainly on the table all the way into the immediate I-95 corridor.
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The next few days will feature comfortable conditions across the Tennessee Valley with high temperatures generally in the lower-to-middle 70’s. Looking ahead, a cold air mass with Arctic origins pushes into the eastern states by the early part of next week following a late weekend strong cold frontal passage.
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An active weather pattern over the next several days will feature a powerful wind event on Wednesday night across many northeastern states and then an Arctic air mass will invade the eastern states early next week. The powerful winds on Wednesday night will be associated with an intensifying low-pressure system that forms along a strong cold frontal boundary zone and 60+ mph wind gusts are on the table for some locations. By the end of the upcoming weekend, another strong cold front will slide into the eastern states, and this system will usher in the coldest air of the season so far with the first hard freeze in many spots and accumulating snow will be possible across the Great Lakes, interior sections of the northeastern states.
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The next few days will feature a gradual warming trend across the Tennessee Valley with high temperatures by Thursday in the middle 70’s. A frontal system approaches the area late in the week with the threat of showers and there can be a few strong thunderstorms as well depending on the timing. Looking ahead, a cold air mass pushes into the eastern states by the early part of next week following a weekend strong cod frontal passage.
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There will be as many as three cold fronts to deal with in the northeastern part of the nation during the next week or so, but the third system will be the most important and is destined to arrive late in the upcoming weekend. The first cold front comes through on Wednesday night primarily on the dry side and it turns slightly cooler behind it on Thursday. The second cold front then arrives at the end of the work week likely producing some shower activity from late Friday night into early Saturday; however, temperatures will hardly change at all this weekend following its passage. It is the third cold front that arrives on Sunday night that will be very noticeable as it is at the leading edge of an Arctic air mass…the coldest air so far this season. This cold air outbreak early next week may be accompanied by some early season accumulating snow across the Great Lakes, interior sections of the Northeast US and New England.
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Strong low pressure pushes into the northeastern states today and we’ll have windy and cool conditions in its wake across the Tennessee Valley. Temperatures later today are likely to reach the middle or upper 50’s for afternoon highs and then could edge into the 60’s on Friday. Patchy frost is possible late tomorrow night and again late tomorrow night in a few valley regions with overnight lows in the 30’s.
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A deep upper-level trough will develop over the Tennessee Valley by mid-week bringing cool and unsettled weather to northern Alabama including the chance of showers from late tonight through Wednesday. It stays mainly cloudy on Thursday and on the cool side with lingering showers still possible during the AM hours. Milder and drier weather returns to the area by the end of the work week, and the weekend should feature mainly mild and dry conditions with partial sunshine each day.
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The next couple of days will remain quite nice across the Tennessee Valley with plenty of sunshine and comfortably warm conditions. It turns cooler and unsettled for the weekend and early part of next week with an upper-level trough starting to form across the central and eastern US.
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