High pressure will build over the region today and stay in control into the weekend. Despite some afternoon sunshine, temperatures will end the week at well below-normal levels for this time of year. In fact, temperatures later tonight are likely to drop to the lowest levels of the year so far with partly cloudy skies, snow cover and late night lows likely in the middle teens in some spots. A weak disturbance can cause a couple of showers of rain and/or snow on Sunday and a volatile weather pattern will continue next week and a cold blast may arrive by Christmas Day (Friday).
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The first major winter storm of the season for the Mid-Atlantic/Northeast US is winding down today and there will be lots of cold air in its wake. In fact, the next several days are likely to remain colder-than-normal in the eastern US and there are increasing signs for a significant cold blast late next week – just in time for Christmas Day. In addition to the threat for more cold weather, it looks like volatile weather will continue next week and beyond with several impressive waves of energy to monitor that will be heading into the eastern states.
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The first major winter storm of the season in the Mid-Atlantic region will pull away later this morning and some sunshine will return to the area this afternoon after lingering morning snow. It will, however, stay quite cold and windy in the wake of the storm and overnight lows during the next couple of nights will be in the upper teens to lower 20's. High pressure will remain in control of our weather through the upcoming weekend. Looking ahead, signs point to quite a cold blast late next week into the central and eastern US – just in time for Christmas Day.
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A high impact winter storm is getting underway in the Mid-Atlantic region and it will push into the Northeast US later today and continue into early Thursday. Sleet will become a big player in the DC-to-Philly corridor with freezing rain in the mix as well and this will limit total snowfall accumulation amounts. This storm will be primarily a snow event across upstate PA, interior upstate NJ, NY and New England and rain will dominate from southern NJ-to- the southern half of the Delmarva Peninsula-to-southeastern Virginia. Travel conditions will become quite difficult for the Wednesday PM and Thursday AM commutes from this major winter storm.
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Very strong and cold high pressure is anchored across southeastern Canada this morning and the day will begin cold and dry. Meanwhile, low pressure will be developing today along the Carolina coastline and then push northward to southeastern Virginia and then to the Delmarva Peninsula by early tonight. After that, the low will make a bit of a turn and push more to the northeast instead of to the north resulting in a position east of New Jersey by the late night hours. Snow is likely to break out here during the late afternoon hours and given the expected storm track, enough milder air can push in from the ocean to cause a mixing with or a changeover to sleet for a brief time. As the low shifts to the east overnight, any mixed precipitation that falls is likely to change back to all snow as colder air wraps around the system. Total snow accumulations during this storm are likely to end up in the 8-14 inch range across the NYC metro region and there can be a light glaze of ice. One last note, watch for "mesoscale" banding during this storm which could result in heavy bursts of snow and/or sleet and possible "thunder snow" or "thunder sleet".
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A high impact storm is coming to the Mid-Atlantic/Northeast US at mid-week with significant snow for some, ice and rain for others and winds will become a big factor as well. The big cities along the DC-to-Philly-to-NYC corridor will have accumulating snow as well as a period of mixed precipitation and the heaviest snowfall amounts will be on the northwest side of the I-95 corridor. Rain will dominate in areas from coastal southern New Jersey to the southern half of the Delmarva Peninsula to southeastern Virginia.
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The biggest snow and ice storm in years is heading to the eastern US. High pressure will continue to build into southeastern Canada today and it will result in a dry and very cold day here in the Mid-Atlantic region as we await a significant mid-week storm system. This next storm will likely begin here with all snow on Wednesday during the mid-to-late afternoon hours. The brunt of the storm will take place tomorrow night when snow falls heavily at times and there can be a mix of the snow at times with sleet and/or freezing rain. Significant total snow accumulations by daybreak Thursday with current estimates of 6-12 inches throughout the NYC metro region. Snow winds down later Thursday morning and the rest of the day will feature breezy and very cold conditions and snow showers are possible in the PM hours.
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This will be a stormy week in the Mid-Atlantic region with two storms to deal with during the next few days. The first storm has already brought some heavy rainfall to the DC-to-Philly-to-NYC corridor and as colder air filters in from a strengthening high pressure system to the north, a changeover to snow is taking place from northwest to southeast. A second and high impact storm will arrive at mid-week and it is likely to result in accumulating snow, ice, rain and strong winds for the Mid-Atlantic region.
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This will be a stormy week in the Mid-Atlantic region with two storms to deal with during the next few days. Today’s storm will begin with all rain, but as colder air filters in from a strengthening high pressure system to the north, a changeover to snow is quite likely by the afternoon. There can be a couple inches of accumulation in some of the N/W suburbs before the snow winds down later in the afternoon. A second and more impactful storm will arrive by late afternoon on Wednesday with snow initially for the region and this is likely to be followed by a period of sleet and/or freezing rain. This period of mixed precipitation will limit total snow accumulations with preliminary snowfall estimates of 3-6 inches in the NYC metro area, 6-12 inches in the nearby N/W suburbs, and 12+ inches in the far N/W suburbs. Snow showers will linger through the day on Thursday and it'll remain much colder-than-normal right into the upcoming weekend.
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This will be a stormy week in the Mid-Atlantic region with two storms to deal with during the next few days. The first storm on Monday will begin with rain in all areas of the DC-to-Philly-to-NYC corridor, but as colder air filters from a strengthening high pressure system to the north, a changeover to accumulating snow is likely to take place in suburban areas to the north and west of the big cities. A second and powerful storm will arrive at mid-week and it is likely to result in significant snow, ice and rain for the Mid-Atlantic region with a mixture possible in parts of the metro areas, heavy snowfall to the north and west, and primarily rain near and along coastal sections of southern New Jersey and the Delmarva.
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