A strong cold front arrives later today and it’ll be mild ahead of it with morning temperatures likely reaching the 50-degree mark. Following the passage of the front, temperatures will drop markedly during the afternoon hours and it turns noticeably colder at night. Winds will be a big factor from later today into Tuesday with gusts to 50 mph on the table throughout the Mid-Atlantic region. Additional cold fronts and upper-level disturbances will pass through the region later this week assuring a cold start to the new year and there can be some snow shower activity at times.
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A fresh infusion of Arctic air from southeastern Canada in the overnight hours will set the stage for a significant winter storm in the Mid-Atlantic region from Friday afternoon into late Saturday. The cold air mass will be anchored by strong high pressure over SE Canada which will stay in place during the event. A thin layer of slightly above-freezing air in the upper atmosphere will nose into the southern Mid-Atlantic region creating conditions for sleet and freezing rain in many of those areas. The storm will bring substantial accumulating snow across the northern Mid-Atlantic region and a mixed bag of precipitation across the southern Mid-Atlantic. Travel conditions will deteriorate rapidly once the precipitation gets underway this afternoon and will remain very difficult right through tomorrow with temperatures at or below freezing in many areas through much of the event. Looking ahead, another Arctic outbreak reaches the Mid-Atlantic region on Monday night and a second shot around New Year’s Day.
Here is a breakdown for the Mid-Atlantic’s I-95 corridor:
NYC metro, central/northern NJ, east-central PA, NE PA: primarily a snow event with accumulations in the 5-9 inch range, isolated higher amounts, some sleet can mix in at times, surface temperatures stay below freezing through the event
Philly metro, northern DE, southern NJ: snow and sleet should dominate with some freezing rain, snow accumulations in the 1-3 inch range and there will likely be a thick layer of sleet, I don’t expect surface temperatures to get above freezing through most, if not all, of the event.
DC metro, northern MD, northern VA: mainly a combination of rain, freezing rain and sleet, a touch of snow is possible with little to no accumulation, watch for an ice buildup across the normally colder northern suburbs…temperatures will hove close to the freezing mark during much of the event.
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A fresh infusion of Arctic air from southeastern Canada in the overnight hours will set the stage for a significant winter storm in the Mid-Atlantic region from Friday afternoon into late Saturday. The cold air mass will be anchored by strong high pressure over SE Canada which will stay in place during the event. A thin layer of slightly above-freezing air in the upper atmosphere will nose into the southern Mid-Atlantic region creating conditions for sleet and freezing rain in many of those areas. The storm will bring substantial accumulating snow across the northern Mid-Atlantic region and a mixed bag of precipitation across the southern Mid-Atlantic. Travel conditions will deteriorate rapidly once the precipitation gets underway this afternoon and will remain very difficult right through tomorrow with temperatures at or below freezing in many areas through much of the event. Looking ahead, another Arctic outbreak reaches the Mid-Atlantic region on Monday night and a second shot around New Year’s Day.
Here is a breakdown for the Mid-Atlantic’s I-95 corridor:
NYC metro, central/northern NJ, east-central PA, NE PA: primarily a snow event with accumulations in the 5-9 inch range, isolated higher amounts, some sleet can mix in at times, surface temperatures stay below freezing through the event
Philly metro, northern DE, southern NJ: snow and sleet should dominate with some freezing rain, snow accumulations in the 1-3 inch range and there will likely be a thick layer of sleet, I don’t expect surface temperatures to get above freezing through most, if not all, of the event.
DC metro, northern MD, northern VA: mainly a combination of rain, freezing rain and sleet, a touch of snow is possible with little to no accumulation, watch for an ice buildup across the normally colder northern suburbs…temperatures will hove close to the freezing mark during much of the event.
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A fresh infusion of Arctic air from southeastern Canada in the overnight hours will set the stage for a significant winter storm in the Mid-Atlantic region from Friday afternoon into late Saturday. The cold air mass will be anchored by strong high pressure over SE Canada which will stay in place during the event. A thin layer of slightly above-freezing air in the upper atmosphere will nose into the southern Mid-Atlantic region creating conditions for sleet and freezing rain in many of those areas. The storm will bring substantial accumulating snow across the northern Mid-Atlantic region and a mixed bag of precipitation across the southern Mid-Atlantic. Travel conditions will deteriorate rapidly once the precipitation gets underway this afternoon and will remain very difficult right through tomorrow with temperatures at or below freezing in many areas through much of the event. Looking ahead, another Arctic outbreak reaches the Mid-Atlantic region on Monday night and a second shot around New Year’s Day.
Here is a breakdown for the Mid-Atlantic’s I-95 corridor:
NYC metro, central/northern NJ, east-central PA, NE PA: primarily a snow event with accumulations in the 5-9 inch range, isolated higher amounts, some sleet can mix in at times, surface temperatures stay below freezing through the event
Philly metro, northern DE, southern NJ: snow and sleet should dominate with some freezing rain, snow accumulations in the 1-3 inch range and there will likely be a thick layer of sleet, I don’t expect surface temperatures to get above freezing through most, if not all, of the event.
DC metro, northern MD, northern VA: mainly a combination of rain, freezing rain and sleet, a touch of snow is possible with little to no accumulation, watch for an ice buildup across the normally colder northern suburbs…temperatures will hove close to the freezing mark during much of the event.
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A cold front passed through the region last night and today will be on the chilly side with a stiff NW wind making it feel even colder than the actual air temperatures. Another weak low pressure system could produce a bit of rain on Christmas Day and then a significant winter storm is likely to have an impact at the end of the week. There is potential for substantial snow and/or ice around here by later Friday and Friday night with a strong high pressure system to our north acting as an important source of cold air through the event.
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A cold front passed through the region last night and today will be on the chilly side with a stiff NW wind making it feel even colder than the actual air temperatures. Another weak low pressure system could produce a bit of rain on Christmas Day and then a significant winter storm is likely to have an impact at the end of the week. There is potential for substantial icing and/or snow around here by later Friday and Friday night with a strong high pressure system to our north acting as an important source of cold air through the event.
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December 1776 was a desperate time for General George Washington and the American Revolution. Morale was low, hope for winning the war was diminishing, and the Continental Army led by George Washington was thinning in numbers after many battles lost to the British. There was even talk of replacing General Washington with either General Charles Lee or General Horatio Gates. December began with lots of rain and muddy travel conditions for the men which did not help with their spirits. After retreating through New Jersey, they set up camp on the Pennsylvania side of the Delaware River where the army was met with very cold weather that led to plenty of ice on the water. All in all, things were not looking good for Washington's army. However, General George Washington devised a plan that would change the course of the war and the history of our nation.
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A cold front passed through the region last night and today will be on the chilly side with a stiff NW wind making it feel even colder than the actual air temperatures. Another weak low pressure system could produce a bit of rain on Christmas Day and then a significant winter storm is likely to have an impact at the end of the week. There is potential for substantial icing around here by later Friday and Friday night with a strong high pressure system to our north acting as an important source of cold air through the event.
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While the nation’s mid-section enjoys rarely ever-seen sustained warmth for the next few days, the northeastern states will continue to experience plenty of winter weather right into the early part of January. One system is bringing some accumulating snow today to the northern Mid-Atlantic region and Northeast US and some interior higher elevation locations will receive several inches. Another storm system is likely to threaten the Mid-Atlantic region and Northeast US on Friday with significant accumulating snow in some areas and substantial icing in others. A key player at the end of the week will be a strong high-pressure system over southeastern Canada which will act as an anchor for low-level Arctic air that can lead to frozen precipitation throughout the Mid-Atlantic region and Northeast US.
Looking ahead to next week, the winter weather pattern is likely to continue across the northeastern states with two major-league Arctic air outbreaks on the table. Both of these Arctic air masses will have originated up across the northwestern part of Canada where temperatures on Monday morning bottomed out at -67.7°F... reportedly the lowest temperature in Canada since January 1999…in other words, get ready, next week’s Arctic invasions might be quite noteworthy.
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Low pressure to our north will produce some accumulating snow in the morning of up to a couple of inches and then a mix of rain and snow is likely around mid-day…precipitation winds down in the early-to-mid afternoon hours. After clearing skies tonight, the mid-week looks to be dry and chilly in the NYC metro region and then there can be a touch of light precipitation on Thursday, Christmas Day, from another “clipper” system that moves from northwest-to-southeast. A more impactful low pressure is likely here at the end of the week with significant snow and/or ice on the table as strong high pressure positioned to our north acts as a source of cold air for the northeastern states.
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