An Arctic front will sweep through the region early today and this will usher in severe cold for the region for the next 48 hours. The winds will pick up noticeably as well leading to painfully low wind chill values in this two-day Arctic blast. Temperatures should bottom out in the single digits later tonight and persistent stiff NW winds will make it feel much colder than the actual air temperatures. Temperatures will moderate noticeably by Sunday afternoon as high pressure pushes offshore and a low-level southwesterly flow of air develops in the Mid-Atlantic region.
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An Arctic front will sweep through the region early on Friday and this will usher in severe cold for Friday, Friday night, and Saturday. The winds will pick up noticeably as well leading to painfully low wind chill values in this upcoming two-day Arctic blast. Temperatures should bottom out in the single digits later Friday night/early Saturday morning and persistent stiff NW winds will make it feel even much colder than the actual air temperatures. Temperatures will moderate noticeably by Sunday afternoon as high pressure pushes offshore and a low-level southwesterly flow of air develops in the Mid-Atlantic region.
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After the threat of snow early today, high pressure will take back control of the weather by afternoon and clearing skies will develop in the Mid-Atlantic region. After a moderately cold day on Thursday, an Arctic front will head in this direction and blast through early Friday morning. This frontal passage will usher in a brutally cold air mass for Friday and Saturday with single digit late night lows and painfully low wind chill values.
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It won’t be a big deal, but compared to the snow (or lack thereof) so far this winter season, the coating to an inch or so of snow that can fall late tonight/early Wednesday in the DC-Philly-to-NYC corridor may seem like quite a bit. Low pressure that is now creating significant icing problems across Arkansas and Texas will move along a stalled-out frontal boundary zone and it should make it far enough to the north to produce some snow in the Mid-Atlantic region from later tonight into early Wednesday. After a moderately cold day on Thursday, an Arctic front will blast through the Mid-Atlantic/Northeast US by early Friday and this frontal passage will usher in a brutally cold air mass for Friday and Saturday. In fact, single digit lows are likely on Friday night all the way down to the Philly metro region and zero degrees is on the table for New York City. In addition, wind chills will cause some pain in this short-lived, but very impressive Arctic blast.
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Colder air has pushed into the region in the overnight hours following the passage of a slow-moving frontal system that will now stall out just to the south of here. One wave of low pressure will produce some rain around here this morning and then snow showers are possible in the afternoon. Another wave of low pressure will push along the stalled-out frontal boundary zone later tonight and it could produce a touch of snow here from late tonight into early Wednesday. After a moderately cold day on Thursday, a strong Arctic front will blast through here on Friday morning and it’ll usher in two-day shot of some brutally cold air with painful wind chills and single digit lows by early Saturday…even zero degrees is on the table.
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There is a slight chance for snow late Tuesday night into early Wednesday, but perhaps the biggest story of the week will be the change to cold. In fact, there is a good chance for some bitterly cold conditions here from Friday into Saturday with single digits on the table later Friday night. A cold front will slowly works its way through the region today and then stalls out just to the south of here. A series of low pressure systems will ride along the frontal-boundary zone at the same time colder air seeps in from the northwest.
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High pressure has pushed into the northeastern part of the nation and will control our weather into the weekend. A cold front heads our way later Sunday and it can bring some rain to the region. This front stalls out to our south next week and a series of low pressures may ride along the frontal boundary zone bringing us the chance for rain, ice and/or snow.
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The storm that impacted the Mid-Atlantic region on Wednesday continues to intensify as it moves northeastward towards the Canadian Maritime provinces. The pressure gradient between the departing low and an incoming high pressure system will tighten today and the result here can be gusts of up to 40 mph or so. High pressure will then take control for the end of the week and upcoming weekend with a continuation of moderately chilly conditions.
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A significant winter storm will impact the Mid-Atlantic region today with snow likely to break out here late this morning or at mid-day. The snow will then mix with sleet for a brief time before precipitation changes to rain later in the afternoon. Accumulations of a coating to an inch or are possible before the transition to rain in some of the far northern and western suburbs. Some of the rain later today and early tonight can fall heavily at times. On the back side of the storm, NW winds will increase markedly on Thursday with gusts to 50 mph possible, and it’ll be a moderately chilly day with high pressure headed in this direction.
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A significant winter storm is developing today over Texas and this moisture-laden system will push northeastward over the next 24 hours bringing significant snowfall all the way from Texas to the Midwest. In the Mid-Atlantic region, snow is likely to break out on Wednesday morning in areas to the north of the PA/MD border and there can be some minor accumulations before a changeover to rain later today as milder air surges northward along the coast.
Looking ahead, widespread colder-than-normal air is going to push into the northern and western US early next week and it’ll likely spread into the Mid-Atlantic/Northeast US by late next week. Whether or not this change to colder-than-normal conditions is sustained in the Mid-Atlantic/Northeast US after next week will largely depend on the stubborn high pressure ridge aloft over the southwestern Atlantic/Southeast US. Elsewhere, there has been some amazing cold on the other side of the North Pole with the lowest temperature ever recorded in China on Monday and this follows some tremendous cold last week in Russia (Siberia). This frigid air is now spreading to the Korean Peninsula and on the way to Japan where there can also be some all-time low temperatures.
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