An upper-level trough of low pressure is sliding through the middle of the nation and will eventually help to generate quite a storm for the Northeast US this weekend. Moisture will increase around here today just ahead of this disturbance and showers are possible by the end of the day or early part of tonight. The threat of rain will continue on Thursday and even increase for Thursday night and early Friday. Another cool front is likely to push through on Friday night paving the way for a cool weekend in the Tennessee Valley.
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The major storm system that began the week was the opening salvo in a colder and stormy weather pattern for the central and eastern US and another significant storm is in the offing for the early part of the weekend. Low pressure will likely pull out of the southern states at the end of the week and intensify as it arrives in the northeastern quadrant of the nation. Significant rain is in the cards from this potential storm in areas along the coast and back to the I-95 corridor; however, it may become cold enough for accumulating snow during the second half of the storm in higher elevation, interior locations of the Mid-Atlantic and Northeast US and inland sections of New England may end up with a major snowfall. In fact, there is an outside chance that it gets cold enough this weekend in portions of the immediate I-95 corridor for the rain to mix with or change to sleet and/or snow during the back end of the storm.
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A powerful storm system has finally pushed far enough away from the region to allow for plenty of sunshine today, but it’ll remain on the brisk and chilly side. Temperatures today will get a little higher than yesterday reaching the lower 50’s for afternoon highs, and will settled back down to near freezing late tonight. It’ll remain chilly for the remainder of the week and there will be another storm that forms across the middle of the nation late in the week which could have an impact here.
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A powerful storm system has pushed into the eastern Great Lakes and a colder air mass has moved into the Tennessee Valley region in its wake. As a result, temperatures today will be confined to the middle 40’s for highs and overnight lows late tonight could bottom out in the middle 20’s in much of the area. It’ll remain chilly for much of the remainder of the week and there will be another storm that forms across the middle of the nation which could have an impact here by late in the week.
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A powerful storm system is churning northward today through the Appalachian Mountains and is having an important impact on a large part of the eastern third of the nation. The DC-to-Philly-to-NYC corridor has had steady and heavy rainfall this morning and the afternoon will present the possibility of some severe thunderstorm activity. Meanwhile, it is cold enough in the Midwest for snow to fall at mid-day and portions of the Ohio Valley will receive significant snowfall during the next 24 hours or so. An especially hard hit region may be northeastern Ohio where more than a foot of snow is possible in localized areas later tonight and Tuesday. This storm system is coming at the front end of an overall pattern change that will bring persistent colder conditions to the central and eastern US as we transition from the month of November to December.
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A powerful storm system is pushing northward today from the southeastern states towards the eastern Great Lakes and it has sent a cold front through the Tennessee Valley. The storm system is a slow mover and the upper-level low will be forced to spin around the Ohio Valley/Great Lakes region for another 24-48 hours and that will keep it unsettled around here. In addition, this storm system will be kind of a pattern changer as we transition into the month of December and it’ll become much colder going forward compared to the recent warmth in the region.
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The weather pattern will get pretty interesting in much of the US as we transition to the month of December and it is likely to include some significant temperature and height anomalies for this time of year. High pressure ridging in the upper part of the atmosphere will intensify dramatically next week across Canada at the same time colder-than-normal air sets up across the central and eastern US and there will be plenty of strong energy aloft. The transition to this colder and stormy weather pattern in the central and eastern US (and warm weather pattern across Canada) could begin with a major storm system in the Monday/Tuesday time period (i.e., last day of November and first day of December). A second storm could threaten the east coast at the end of next week and that system should have more in the way of cold air to work with in the eastern states.
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As high pressure shifts to the east of here today, a warming trend will develop as low-level southerly flow forms across the Tennessee Valley. The high pressure system will lose control around here at mid-week and showers and thunderstorms are possible from tomorrow into tomorrow night as an upper-level low pushes through the center of the nation. High pressure should resume control here on Thursday giving us nice weather for Thanksgiving Day and we’ll get back to the 70 degree mark for highs by the end of the week.
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The weather pattern will get pretty interesting next week to coincide with the beginning of the month of December and it will include some significant temperature and height anomalies across North America for this time of year. High pressure ridging in the upper part of the atmosphere will intensify dramatically next week across Canada at the same time colder-than-normal air sets up across the south-central US and there will be plenty of strong energy aloft. The transition to this possible colder and stormy weather pattern in the US (and warm weather pattern across Canada) could be preceded by a significant rain event in the eastern states as we end the month of November.
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As high pressure builds to our north, it’ll turn much cooler today, but we should enjoy mainly sunny skies although an isolated shower cannot be ruled out. The high pressure system will lose control around here at mid-week and showers could return in as low pressure pushes across the central states.
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