An Arctic frontal boundary zone will be a key player in the Tennessee Valley during the next few days. Ahead of the incoming front, temperatures will climb into the 50’s today and there can be occasional showers, maybe even a thunderstorm. Colder air will filter into the area late tonight and Thursday promises to be a much colder day with plenty of wind and occasional snow showers are likely. The snow showers tomorrow can be mixed with sleet and/or freezing rain at times with temperatures confined to the lower 30’s for afternoon highs.
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An Arctic frontal boundary zone will be a key player in the Mid-Atlantic region during the next few days as it will be a focus area for the formation of low pressure systems. One such low pressure system should bring a period of accumulating snow early Thursday upon the arrival of the next Arctic blast. Another low pressure system will form along the stalled-out frontal boundary zone at week’s end and the extent to which it can push to the north will dictate how much snow, if any, can fall on Friday night and/or Saturday in the DC-to-Philly-to-NYC corridor. Yet another system will have to be watched for later in the upcoming weekend as the cold and active weather pattern in the eastern US will continue right through the rest of the month.
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High pressure will be in control today and Wednesday and it’ll turn milder tomorrow ahead of the next cold frontal system. That front will generate some rain shower activity tomorrow afternoon and night which can mix with or change to snow after midnight. It turns noticeably colder on Thursday with a residual snow shower possible and then we’ll have to see if a storm system develops in the eastern states in the late week time period that can have an impact on the Tennessee Valley.
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Winter will not loosen its grip anytime soon in the eastern US as it appears a very cold weather pattern will continue through at least the remainder of the month. In addition, the overall pattern looks to be quite active as well with multiple storm threats possible and perhaps one by the early part of the upcoming weekend.
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Low pressure that has impacted the region during the past 24 hours or so will push northward today into New York State and New England, but it’ll remain mainly cloudy around here today and still quite cold in its wake. Skies will clear later tomorrow and this will allow for the return of sunshine and milder conditions. It’ll turn even milder at mid-week ahead of the next strong cold front which could generate shower activity in the Tennessee Valley on Wednesday. In its wake, a colder air mass will return for the latter part of the week.
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Very cold, dry and dense Arctic air is well established this morning in the Mid-Atlantic/Northeast US at the same time low pressure and its associated moisture field are now pushing to the north from the southeastern states...not a good combination. A significant ice and snow event is now unfolding for the interior sections of Georgia and the Carolinas and snow will push into the Mid-Atlantic region later in the day and early tonight with front-end accumulations in the DC-to-Philly-to-NYC corridor. With an influx of milder air from the ocean, a transition will take place in the I-95 corridor from snow to sleet to freezing rain and ultimately to plain rain in some areas. In addition to the wide range of precipitation types, this storm will bring high and potentially damaging winds and coastal flooding to the Mid-Atlantic region and Northeast US. Looking ahead, another storm could very well threaten the same part of the country next weekend.
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An Arctic air mass poured into the northeastern quadrant of the nation in the overnight hours resulting in very cold and extremely dry conditions. At the same time, a vigorous disturbance in the upper atmosphere has pushed southeastward from the central Plains into the southern Plains. This system will edge into the Deep South by later tonight and surface low pressure will form in the northern Gulf region. On Sunday, the intensifying low pressure system will push northward through the eastern states with its expanding moisture field producing a wide range of impacts from snow-to-ice-to-rain. High (and potentially damaging) winds and coastal flooding will become an increasing concern with this storm on Sunday and impacts will last well into the day on Monday; especially, across the northeastern states.
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Many ingredients are coming together for a high impact type of storm system in the eastern third of the nation from Sunday into Monday with accumulating snow, ice, heavy rain, coastal flooding, and even high (potentially damaging) winds all on the table. The upper-level wave of energy that will be the catalyst for storm development has come ashore and it will dive to the south and east over the next couple of days. Low pressure will develop by early Sunday morning in the southeastern states and this system will then make a move to the northeast and it’ll encounter an Arctic air mass that will be quite reluctant to give up its ground. As a result, a significant snow and ice event is likely to take place across interior sections of Georgia and the Carolinas on Sunday morning and mid-day. After that, precipitation will push into the Mid-Atlantic region with cold, dense air in place and a period of snow and/or ice is likely in most interior sections with plain rain a likelihood along coastal areas. The DC-to-Philly-to-NYC corridor is in line for accumulating snow on the front-end of this storm and this can be followed by a period of icing given the expectation that the dense, cold low-level air mass will be tough to dislodge.
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A strong low pressure system will impact the eastern third of the nation later this weekend and that will include the Tennessee Valley where there be some accumulating snow on Sunday. The storm begins here as a period of rain on Saturday with and increase in winds and then it can change to snow on Sunday morning with some accumulations possible. The responsible low pressure system will push northward later Sunday towards the Mid-Atlantic region and precipitation will wind down in the local region.
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Many ingredients are coming together for a high impact type of storm system in the eastern third of the nation from Sunday into Monday with accumulating snow, ice, heavy rain, coastal flooding, and even high (potentially damaging) winds all on the table. The upper-level wave of energy that will be the catalyst for storm development is just now coming ashore in the Pacific Northwest and it will dive to the south and east over the next few days. Low pressure will develop by early Sunday morning in the southeastern states and this system will then make a move to the northeast and it’ll encounter an Arctic air mass that will be quite reluctant to give up its ground. As a result, a significant snow and ice event is likely to take place across interior sections of Georgia and the Carolinas on Sunday morning and mid-day. After that, precipitation will push into the Mid-Atlantic region with cold, dense air in place and a period of snow and/or ice is likely in most interior sections with rain a likelihood along coastal areas. The DC-to-Philly-to-NYC corridor is in line for accumulating snow on the front-end of this storm and this can be followed by a period of icing given the expectation that the dense, cold low-level air mass will be tough to dislodge.
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