A weak disturbance can cause a few snow showers this morning – perhaps even a dusting of snow in some spots - and then high pressure will build over the region later in the day and stay in control into the weekend. Despite some afternoon sunshine, temperatures will end the week at below-normal levels for this time of year. In fact, temperatures later tonight are likely to drop to some of the lowest levels of the year so far with partly cloudy skies and late night lows in the lower 20’s 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 winter storm of the season in the Mid-Atlantic region will pull away today and sunshine is going to return to the area. It will, however, stay quite cold and breezy in the wake of the storm and overnight lows during the next couple of nights will be way down in the 20’s. A weak disturbance can bring us a few scattered snow showers late tonight/early tomorrow, but then high pressure will take control of our weather into 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 or a mix of snow and sleet is likely to break out here during the mid-to-late morning hours and given the expected storm track, enough milder air will push in from the ocean to cause a changeover to sleet and freezing rain. Later tonight as the low shifts to the east, colder air should wrap around and cause a change back to all snow before the precipitation winds down late. The extended period of mixed precipitation will limit total snow accumulations in the District and nearby suburbs to 1-3 inches; 3-6 inches possible across the outer northern and western suburbs. There can also be a buildup of ice in many areas later today with the sleet and freezing rain as low-level temperatures will be hard pressed to rise above freezing. One last note, watch for "mesoscale" banding during this storm which could result in heavy bursts of precipitation and possible thunder.
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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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A major winter storm is headed to the eastern US for the mid-week with significant ice and snow on the table. 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 in the late morning hours on Wednesday with snow or a mix of snow and sleet. There is likely to be a changeover to sleet and/or freezing rain in the afternoon which will continue into the evening hours before a change back to all snow. An ice build-up is likely in many areas before the change back to all snow takes place tomorrow night. Current estimates of snow accumulations by daybreak Thursday are as follows (an it will be compacted by ice): 1-3 inches in the District, 3-6 inches in the N/W suburbs. Snow winds down early Thursday 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 feature rain and some of it will be heavy at times, but as colder air filters in from a strengthening high pressure system to the north, a changeover to snow is possible later in the day across the far northern and western suburbs. A second and more impactful storm will arrive during the mid-to-late morning hours on Wednesday and it will bring the region snow at the onset. The snow will likely change to a period of sleet, freezing rain and/or rain and then change back to snow at night. The period of mixed precipitation will limit total snow accumulations with preliminary estimates of 2-4 inches in the District, 4-8 inches in the nearby N/W suburbs, and 8+ 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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