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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The interesting and active weather pattern of recent weeks will continue into at least the middle of the month with two storms on the table for this week in the Mid-Atlantic/Northeast. The first storm for the Mid-Atlantic/Northeast US will come on Monday and an even bigger threat comes at mid-week with the greatest potential impact. In fact, the mid-week storm could turn out to be a major snowstorm for a large part of the Mid-Atlantic/Northeast US. In the short term, the weather remains mild during the next couple of days in much of the eastern half of the nation, but a colder air mass is going to filter into the northeastern quadrant of the nation on Sunday night and Monday following the passage of a cold front - setting the stage for a very wintry week.
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The interesting and active weather pattern of recent weeks will continue into at least the middle of the month with two storm threats on the table for next week in the central and eastern US. The first storm threat for the Mid-Atlantic/Northeast US will come during the early part of next week and an even bigger threat comes at mid-week with the greatest potential impact. In fact, the mid-week storm could turn out to be a major snowstorm for a large part of the Mid-Atlantic/Northeast US. In the short term, the weather turns milder in much of the eastern half of the nation, but a colder air mass is going to filter into the northeastern quadrant during the early part of next week following the late weekend (uneventful) passage of a cold front.
Teleconnection indices such as the Arctic Oscillation (AO) and North Atlantic Oscillation (NAO) are supporting the idea of “high-latitude blocking” to get well-established by the middle of next week which, in turn, supports the idea for strong high pressure to build across southeastern Canada – always a key factor to the prospects of getting accumulating snowfall in the I-95 corridor. In this time period, two separate waves of energy will cross the southern states and then move northeastward towards the Mid-Atlantic coastline. With a cold air source building to the north across the southeastern part of Canada by the middle of next week, this type of setup could result in significant accumulating snow for at least parts of the Mid-Atlantic/Northeast US.
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High pressure has taken control of our weather and will result in milder conditions around here as we head into the weekend. Low-level winds will shift to a southerly direction today as the high shifts off the eastern seaboard and we’ll stay mild on both weekend days just ahead of the next cold frontal system. The weekend cold frontal passage will be accompanied by a few showers and then a colder air mass will build into the region early next week. The overall weather pattern will remain very active next week with two storm threats to monitor - one on Monday and the second on Wednesday - and enough cold air will be around to allow for the possibility of snow getting involved in either system.
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