In the wake of a cool frontal passage, it turned cooler on Tuesday across the Tennessee Valley, but milder conditions will arrive today as high pressure shifts eastward across the Mid-Atlantic region. Low-level winds will shift to a south-to-southeast direction around here today and this will likely boost afternoon temperatures to the lower 60’s. In fact, temperatures should climb to the 60’s for much of the second half of the week and there will also be an increased chance of showers and thunderstorms.
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An active weather pattern will continue into the new year for the eastern half of the nation with one low pressure system bringing a potpourri of precipitation on Friday and then a second system late in the weekend that should intensify near the Mid-Atlantic coastline. The first system will result in accumulating snow for parts of the Upper Midwest and Ohio Valley on New Year’s Day (Friday) and mainly a rain event for the Mid-Atlantic region. However, it can be cold enough at the onset on Friday in the Mid-Atlantic region for a brief period of sleet and/or freezing; especially, in areas north of the PA/MD border. Late in the weekend, a second low pressure system will likely intensify near the Mid-Atlantic coastline and it would have an influx of colder air – a potential setup that needs to be monitored in coming days.
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In the wake of a cool frontal passage, it’ll turn cooler and drier today across the Tennessee Valley with plenty of sunshine and highs in the 50’s. As high pressure pushing eastward at mid-week across the Mid-Atlantic region, low-level winds around here will become southeasterly and this will promote some warming as well as some moistening in the low levels of the atmosphere. Temperatures should climb to the 60’s for much of the second half of the week and there will be an increased chance of showers and thunderstorms.
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A powerful cold front moves through the region this morning and it’ll usher in much colder air for the Tennessee Valley. Temperatures will drop through the day reaching the lower 30’s by late afternoon and there can be rain and/or snow showers in the area. Christmas Day will stay on the breezy and cold side with highs no better than the low-to-mid 30’s. Modification in temperatures this weekend will result in highs back in the 40’s on Sunday and likely the 50’s on Monday.
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A powerful cold front will barrel towards the eastern seaboard from later tomorrow into early Friday and it’ll bring some wild weather to the Mid-Atlantic/Northeast US. Ahead of the front, heavy rains, possible thunderstorms and potentially damaging winds will develop and raise the prospects for localized flooding and power outages. It’ll become much milder as well on Thursday with temperatures soaring to the 60 degree mark in the DC, Philly and NYC metro regions. On the back side of the front, temperatures will plunge on Friday from their early morning highs to at or below freezing by later in the afternoon. Any standing water on untreated surfaces that is left behind by the heavy rain event could freeze-up in a hurry on Friday as temperatures take a plunge.
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A strong cold front moves through the region late tonight and it’ll usher in much colder air for Thursday and Friday. Ahead of the front, temperatures will climb towards the 60 degree today, but will be confined to the 30’s by the time we get to Christmas Day (Friday).
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A powerful cold front will come barreling towards the eastern seaboard later this week and it’ll bring some wild weather with it to the Mid-Atlantic/Northeast US from later Christmas Eve (Thursday) into early Christmas Day (Friday). Ahead of the front, there will be heavy rain, possible strong thunderstorms, and potentially damaging winds which, unfortunately, raises the prospects of power outages. It’ll become much milder as well on Thursday with temperatures likely flirting with the 60 degree mark for late day highs in places like DC, Philly and NYC. The combination of heavy rainfall and mild conditions will cause a rapid melting of snow and this is likely to lead to localized flooding in areas of poor drainage.
On the back side of the front, temperatures will drop rapidly following the heavy rain event to below the freezing mark in many spots resulting in a quick freeze-up of standing water on untreated surfaces. Snow accumulations of several inches are likely in the colder air mass across portions of the Ohio Valley and interior Mid-Atlantic/Northeast US. There can even be a brief changeover to sleet and/or snow in the I-95 corridor early Friday morning as the colder air rushes into the region, but a “flash freeze” is the greater concern.
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A strong cold front move into the region early Thursday and it’ll usher in much colder air for the end of the week. Ahead of the front, temperatures will climb towards the 60 degree mark on Wednesday, but will be confined to the 30’s by the time we get to Christmas Day (Friday).
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An active weather pattern continues this week in the central and eastern US with the main weather event being the late week passage of a powerful Arctic cold frontal system. This front will result in a heavy rain event for the Mid-Atlantic/NE US from late Thursday into Thursday night which will be accompanied by strong winds, mild conditions and a possible thunderstorm. With snow cover still in place in many areas north of the PA/MD border, the upcoming heavy rain event may lead to localized flooding conditions.
Behind the front, temperatures will drop sharply potentially leading to a quick ice-up in some spots and inland areas from West Virginia to central/western NY will likely see accumulating snow. In fact, there can even be some small accumulations of snow early Friday in the I-95 corridor on the heels of the frontal passage; especially, in some of the northern and western suburbs. The much colder air that arrives on Christmas Day (Friday) will stick around into the upcoming weekend and next week promises to be quite energetic with the potential of multiple storm threats to monitor.
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A volatile weather pattern will continue this week with a couple of waves of energy in the eastern half of the nation as we begin the new week and the arrival of a powerful Arctic cold front late Thursday. The early week waves of energy will have little impact around here, but the Arctic front will usher in much colder air by week’s end. It may turn quite mild ahead of the front at mid-week flirting with the 60 degree mark around here, but its passage will usher in colder air for Thursday and Friday.
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