Many ingredients are going to come together for a very active Arctic cold frontal passage this weekend that will result in rain transitioning to sleet and accumulating snow on Saturday and high winds and very cold conditions for Saturday night and Sunday. There will first be significant accumulations of snow across interior sections of the Mid-Atlantic/NE US on Saturday and then all the way into the immediate DC-to-Philly-to-NYC corridor. Wind gusts of 50+ mph are likely throughout the northeastern quadrant of the nation from later tomorrow through tomorrow night and into early Sunday with downed tree limbs and scattered power outages on the table. The weather will calm down some by later in the day on Sunday, but it’ll remain much colder-than-normal for this time of year and then a warm up begins on Monday.
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Many ingredients are coming together for a very active Arctic frontal passage this weekend that will include rain transitioning to accumulating snow/sleet on Saturday and high winds and very cold conditions on Saturday night and Sunday. The rain will begin late tonight and continue for awhile on Saturday morning and then transition to snow in the late morning following the passage of the Arctic front. This transition to snow may include some sleet and will will progress from west-to-east across the Mid-Atlantic region with a couple inches possible in the metro region. Wind gusts of 50+ mph are possible later Saturday and Saturday night and that kind of intensity raises the possibility of downed tree limbs and power outages in the Mid-Atlantic region. The weather will calm down some by later in the day on Sunday, but it’ll remain much colder-than-normal for this time of year and then a warm up begins on Monday.
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Many ingredients are going to come together for an extreme wind event in the Mid-Atlantic region and Northeast US from later Saturday into Saturday night. In addition to the expected high winds, snowfall on the back side of an Arctic cold front will be significant across interior sections of the northeastern quadrant of the nation. There can even be some accumulating snow all the way down into the DC-to-Philly-to-NYC corridor and perhaps to coastal sections of the eastern US. Wind gusts of 50-60 mph are possible later Saturday and Saturday night and that kind of intensity raises the possibility of downed tree limbs and power outages in the Mid-Atlantic/Northeast US. The weather will calm down some by later in the day on Sunday, but it’ll remain much colder-than-normal for this time of year with highs generally confined to the 30’s in the I-95 corridor.
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After yesterday’s mix of cold rain and wet snow in the NYC metro region, today and tomorrow will be relatively tranquil as high pressure builds across the Mid-Atlantic region. It will, however, turn quite active again as we begin the upcoming weekend with an Arctic cold front advancing into the eastern US. This cold frontal system will have a lots of support in the upper atmosphere which will help to contribute to the formation of surface low pressure along the frontal boundary zone and this system will intensify rapidly as it pushes northeastward. Rain is likely here ahead of the Arctic front from Friday night into early Saturday and some of it can be heavy at times and a strong thunderstorm is also possible. On the back side of the front later Saturday, temperatures will drop sharply, the rain will change over to accumulating snow across interior sections of the Mid-Atlantic and perhaps all the way into the N/W suburbs along the I-95 corridor. The biggest story with this early weekend weather event will be the winds which can gust into the 50-60 mph range later Saturday into Saturday night. A very tight pressure gradient will form between the departing strong storm system and a high pressure in the southern states. High winds of this nature raises the possibility of downed tree limbs and power outages in the Mid-Atlantic/NE US from later Saturday into Saturday night.
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After today’s mix of snow and rain in areas to the north of the PA/MD border and cold rain to its south, the Mid-Atlantic will enjoy relatively tranquil conditions on Thursday and Friday as high pressure builds across the region. It will, however, turn quite active again as we begin the upcoming weekend with an Arctic cold front advancing into the eastern states. This cold frontal system will have a lots of support in the upper atmosphere which will help to contribute to the formation of surface low pressure along the frontal boundary zone and this system will intensify rapidly as it pushes northeastward.
Rain is likely ahead of the Arctic front in the Mid-Atlantic region from Friday night into early Saturday and some of it can be heavy at times and a strong thunderstorm is also possible. On the back side of the front, temperatures will drop sharply, the rain will change over to accumulating snow across interior sections of the Mid-Atlantic and perhaps all the way into the I-95 corridor. In addition, high winds are likely to develop from later Saturday into Saturday night as a strong pressure gradient forms between the departing storm system and a strong high pressure in the southern states.
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There will be some snow today in the region mixed with rain at times and sleet can mix in as well. Small accumulations of snow are possible of a coating to a couple of inches; primarily, on grassy surfaces in suburban locations to the north and west of the metro region. Low pressure will push from the Tennessee Valley early today to southeastern Virginia and then to a position out over the open waters of the western Atlantic Ocean by later in the afternoon.
Looking ahead, a bigger concern will be a very active cold frontal passage early this weekend. That next strong cold front will come with pre-frontal rains and possible strong thunderstorms and post-frontal extreme winds are likely as is a changeover to accumulating snow across interior sections of the Mid-Atlantic/NE US. In fact, there is the possibility for some post-frontal accumulating snow all the way down to coastal sections of the northeastern quadrant of the nation. Very cold air for this time of year will envelope the entire region for the Saturday night/Sunday time period.
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The wild weather pattern continues in the Mid-Atlantic region…
First, we’ll have to deal with some snow on Wednesday in parts of the Mid-Atlantic region which can even result in small accumulations; primarily, on grassy surfaces to the north of the PA/MD border. Low pressure will push from the Tennessee Valley early tomorrow to southeastern Virginia and then to a position out over the open waters of the western Atlantic Ocean by later in the afternoon.
Looking ahead, a bigger concern than tomorrow’s system will be a very active Arctic cold frontal passage early this weekend that will be accompanied by some vigorous support in the upper part of the atmosphere and a rapidly intensifying surface low pressure system. That next strong cold front will come with pre-frontal rains and possible strong thunderstorms and post-frontal extreme winds are likely as is a changeover to accumulating snow across interior sections of the Mid-Atlantic/NE US. In fact, there is the possibility for some post-frontal accumulating snow all the way down into coastal sections of the northeastern quadrant of the nation. Very cold air for this time of year will envelope the entire region for the Saturday night/Sunday time period and then a big time warm up will take place in the first half of next week as the wild temperature swings continue.
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An active weather pattern continues…
Following the passage of last night’s strong cold front, winds will remain quite noticeable today from a northwesterly direction and it’ll be much colder than yesterday which featured some record-breaking warmth in the Mid-Atlantic region. High pressure will move overhead later today as it pushes eastward from the Upper Midwest. Clouds will thicken up this evening as low pressure begins a push from the Tennessee Valley towards the southern Mid-Atlantic coastline. By early tomorrow, precipitation will break out and it can be cold enough for some snow – even in the immediate I-95 corridor from DC-to-Philly-to-NYC. As is often the case with daytime snow events this time of year, the greatest chances for snow accumulations will be on grassy surfaces and in the northern and western suburbs; especially, in any higher elevation location. Looking ahead, another very active frontal passage will take place in the Friday night-Saturday night time period…more on that later.
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Talk about some wild weather…
The Mid-Atlantic region will experience some March madness of its own over the next 48 hours or so with record-warmth today along with high winds and late day/evening heavy showers and scattered strong-to-severe thunderstorms and then much colder conditions by mid-week with the chance for accumulating snow. Today’s weather is courtesy of an approaching strong cold frontal system that will pass through the area tonight and set the stage for much colder weather by mid-week. Low pressure will push towards the southern Mid-Atlantic coastline by early Wednesday and it can be cold enough for some accumulating snow in parts of the Mid-Atlantic region. Another impressive cold blast will reach the eastern states early in the upcoming weekend.
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Some wild weather in the Mid-Atlantic region during the next few days. There will be unusual warmth today throughout the Mid-Atlantic region with record-breaking highs possible in many spots - all ahead of a strong cold frontal system. In addition, winds will be increasingly strong and gust past 45+ mph later in the day from a southwesterly direction and they’ll remain strong tonight shifting to a northwesterly direction following the passage of a strong cold front. Showers are likely later in the day and this evening and perhaps a strong-to-severe thunderstorm as the front arrives. Much colder air pushes in on Tuesday and Tuesday night and low pressure will head towards the coastline on Wednesday. It can be cold enough at mid-week for snow in parts of the Mid-Atlantic region and some accumulations are on the table….stay tuned.
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