Our very active weather pattern continues for the foreseeable future and it looks like it will bring accumulating snow to the Mid-Atlantic region from later tonight into early Wednesday. In addition, it'll turn very cold for the Thursday/Friday time period and then absolutely frigid this weekend with zero degree readings on the table and perhaps the coldest Valentine's Day (Sunday) in a long, long time. As this tremendous Arctic blast arrives on Friday night, there could very well be some snow shower and snow squall activity in the I-95 corridor. On top of all that, there is the chance for more snow early next week – something about President’s Day that attracts snowstorms.
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Our very active weather pattern continues for the foreseeable future and it looks like it will bring accumulating snow to the NYC metro region during the first half of the week from two separate systems. In addition, it'll turn very cold for the Thursday/Friday time period and then absolutely frigid this weekend with zero degree readings on the table and perhaps the coldest Valentine's Day (Sunday) in a long, long time. On top of all that, there is the chance for more snow next week.
Powerful low pressure this morning is moving slowly to the northeast just off the coast and the NYC metro region is on its northwest fringes. Some snow is possible this morning in the immediate metro region, but more likely across Long Island. Another low pressure system will trek across the Great Lakes and Ohio Valley later tonight and Tuesday and it will transfer its energy to a coastal storm that will produce an extended period of snow in the region with accumulations. This type of system has the chance to produce accumulations on the order of a couple of inches-to-several inches for much of the NYC metro region, but confidence is not too high yet as to exactly where that total snowfall accumulation pattern will set up later tonight and Tuesday. There will be small-scale or mesoscale bands of snow setting up somewhere in the Mid-Atlantic region on Tuesday producing heavier snowfall amounts in localized areas with lesser amounts in nearby regions. The preliminary snowfall estimate for the NYC metro region is 1-2 inches today from the first system and then an additional 2-4 inches from later tonight into Wednesday for a total of 3-6 inches by Wednesday from both systems. Stay tuned - its a challenging forecast.
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Now that today’s snow event is winding down, it is time to focus on the next few threats for snow in the Mid-Atlantic region. One storm will push off the Carolina coastline later Sunday into early Monday and it looks like it will stay just far enough off the coast to miss the I-95 corridor region. However, it is still a little too early to write it off completely as there is still an outside chance that its precipitation shield actually ends up going a bit farther to the north and west than projected – in much the same way as with this morning’s system. Lets hope this system indeed stays off the coast since it looks like it will become a very powerful storm and if it were to back into the I-95 corridor, it could get pretty ugly.
Another threat for snow will take place in the Monday night-to-Wednesday time period and this one has some real potential – at least for parts of the Mid-Atlantic and Northeast US, but questions still remain. Beyond that, there actually is a threat for some snow late next week as it appears bitter cold Arctic air will pour into the Mid-Atlantic region and Northeast US with a clipper-type of system. This frigid air mass could stick around right through the President's Day (and Valentine's Day) weekend and into the following week. In fact, zero degrees is on the table with this Arctic blast. And yes, there are signs for another storm around President's Day (Monday, Feb. 15th) or Tuesday of that following week.
Buckle up - it could be a wild ride.
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Low pressure just off the east coast this morning will push to the northeast today and any snow that is falling in the region will end by mid-day and give way to partial sunshine for the afternoon. This active weather pattern will produce yet another coastal storm by later Sunday, but it looks like that particular system will go harmlessly out-to-sea before ever having any impact on the region. An explosive upper air pattern will set up early next week and combine with an Arctic air intrusion to produce yet another threat for snow in the Mid-Atlantic region - most likely in the Monday night/Tuesday time period. Stay tuned.
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An active weather pattern with multiple storm threats is setting up in the Mid-Atlantic region for the next couple of weeks and it will be a challenging time for weather forecasting. The first storm to affect the region is rapidly evolving and it will affect the region from late tonight into early Friday. This storm will produce snow accumulations across much of the region and it will very likely have an impact on the Friday morning commute. Another snow threat comes next week - most likely in the Monday night/Tuesday time frame - and this one could be even more significant than tonight's system possibly affecting the entire I-95 corridor from the Mid-Atlantic to New England.
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Chilly air is pushing into the region today following yesterday’s mild and wet weather conditions. A cold front slid through the area in the overnight hours and it will linger along the east coast today. Low pressure will ride up along that frontal boundary zone later tonight and early Friday and it should throw some snow back into the metro region with small accumulations possible. Another cold front will cross the area on Sunday and low pressure is likely to stay off the coast and then we’ll have to monitor a volatile situation for the early and middle part of next week. Deep upper level low pressure will develop across the eastern US early next week at the same time there is an Arctic air intrusion into the northern US – the end result could be another coastal storm to deal with around here. Stay tuned.
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Despite today’s mild weather and the fresh groundhog prognostication for an early spring, winter is not over yet and there will be multiple threats for snow in coming days. In fact, one threat will come as early as late tomorrow night and early Friday morning as low pressure rides up along a stalled out frontal boundary zone just off the east coast. Another storm is likely to miss the region on Sunday as it moves to the northeast well east of the big cities; however, it still bears watching and cannot be completely ruled out. Finally, the unfolding upper-level pattern is likely to generate another system near the Mid-Atlantic coastline around Monday night or Tuesday of next week and this could turn into an important snow event from the Mid-Atlantic to New England.
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Temperatures will jump today ahead of a strong cold frontal system to near the 60 degree mark in much of the metro region. At the same time, rain will fall, heavily at times from mid-day into the evening, and the combination of the rain and melting snow is likely to create flooding in poor drainage, low-lying areas including some roadways and small streams. More seasonal chill will return to the Mid-Atlantic region on Thursday and it’ll stick around through the upcoming weekend. An explosive upper-level pattern is setting up for the early-to-middle part of next week and it can very well result in another coastal storm for the Mid-Atlantic region.
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All indications suggest that there will be a rather explosive upper air pattern in the early-to-middle part of next week that can result in a storm in the eastern states. A deep upper-level trough of low pressure is likely to develop in the eastern US early next week while at the same time another Arctic air outbreak will be dropping into the northern US from southern Canada. This new Arctic air mass will eventually envelope much of the eastern half of the nation. This combination of an intrusion of Arctic air and deep upper-level trough could very well make for some interesting weather next week in the eastern US.
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A cold front passed through the region late yesterday and the result will be noticeably cooler conditions today, but still above-normal for this time of year. Watch for early morning black ice patches; especially, in the northern and western suburbs where temperatures are near the freezing mark this morning. Meanwhile, a major storm will pound the northern Plains and Upper Midwest today with blizzard conditions and this storm will send a strong cold front in our direction over the next 24 hours. In the storm’s warm sector, severe weather is possible later today across the Mississippi Valley. Temperatures here on Wednesday will jump ahead of the front – likely reaching 60+ degrees for highs – and the rain will fall heavily at times. The combination of the heavy rain and melting snow will cause some flooding on Wednesday all along the I-95 corridor. Seasonably cold air returns for the latter part of the week and upcoming weekend.
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