An unsettled weather pattern continues today in the Mid-Atlantic region with numerous showers ahead of a cold frontal system that will usher in a much cooler air mass for later tonight and Thursday. After a dry day on Thursday, unsettled and cool conditions will prevail on Friday, Saturday and Sunday as an upper-level trough of low pressure moves overhead. In fact, much of the northern US will experience unsettled and cooler-than-normal conditions for the next ten days or so and this will result in more accumulating snow in such places as the Rocky Mountain States.
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The current warm spell in the Mid-Atlantic region that peaked on Wednesday afternoon will come to a halt with the passage of a strong cold frontal system in the early morning hours on Friday. A cooler air mass will arrive in the region on Friday and temperatures later tomorrow night will drop significantly into the lower 40’s for overnight lows – a far cry from the mid and upper 80’s experienced yesterday afternoon. While the cool down will be quite dramatic from the summer-like warmth on Wednesday, the bigger story will be the winds which could gust to the 50-60 mph range later tomorrow and tomorrow night – potentially resulting in downed limbs and scattered power outages.
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Temperatures dropped to the freezing mark in many spots along the I-95 corridor region of the Mid-Atlantic earlier this morning and there will be one more unusually cold night to deal with in the DC, Philly and NYC metro regions. The abnormal cold this morning was widespread across the nation with record or near record lows extending from the eastern seaboard to the Rocky Mountain States. There will be a noticeable modification in temperatures on Friday in the Mid-Atlantic and the weekend should turn out to be seasonably mild, but rain will dampen the scene from late Saturday into early Sunday. Looking ahead, a big time warm up is coming to the eastern US later next week and 80+ degrees will be on the table in the Mid-Atlantic region.
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A much colder air mass is closing in on the eastern seaboard at this hour and its arrival this afternoon could spark a strong-to-severe thunderstorm in the DC-to-Philly-to-NYC corridor with the highest chances along coastal sections of New Jersey and the Delmarva Peninsula. Strong NW winds will usher in the unseasonably cold air mass later today and tonight and temperatures are likely to bottom out near the freezing mark early Thursday – even in the immediate I-95 corridor. Numerous records or near records low temperatures were experienced earlier today across the central US and Midwest and this pattern will shift to the Mid-Atlantic/Northeast US early Thursday. Looking ahead, a big time warm up is likely in the eastern US later next week which could result in 80+ degrees for the Mid-Atlantic region.
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There is the risk of strong-to-severe thunderstorm activity on Wednesday afternoon and early evening in the Mid-Atlantic region as a strong cold front blasts through the area. The primary severe weather threat will be damaging wind gusts and small hail is on the table as well. Following the frontal passage, unseasonably cold air will pour the Mid-Atlantic region riding in on strong NW winds and temperatures by early Thursday will be near the freezing mark in much of the I-95 corridor region from DC-to-Boston.
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Late morning weather observations featured snow in Boston, Massachusetts at 35 degrees and snow in Denver, Colorado at 27 degrees – and yet it is the middle of April. In fact, there is accumulating snow in two parts of the nation at mid-day including much of New England which is being hit by a springtime nor’easter and also in the region from the central Rockies to the central Plains. Just when most people desire the sustained warmth that spring can offer this time of year, the overall weather pattern says not yet – at least not for much of the central and eastern US during the rest of the month of April. Not only is there a colder-than-normal air mass now extending across this large part of the country, it appears that there will be multiple cold air outbreaks for the central and eastern US during at least the next ten days or so. Winter is simply not going away without a fight.
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Just when most people desire the sustained warmth that spring can offer this time of year, the unfolding weather pattern says not quite yet – at least not for much of the central and eastern US. Not only is a chilly air mass coming for later this week, it appears there may be multiple cold air outbreaks for the central and eastern US as we progress through the remainder of the month of April. In addition to the chill, a late week nor’easter can bring accumulating snow to interior, higher elevations of the Northeast US as winter is simply not going away without a fight.
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To quote T.S Eliot…“April is the cruelest month”. Just when most desire the sustained warmth of spring, the weather pattern in the Northeast US can take a nasty turn and that unwelcome change is now unfolding as we approach the middle of the month. Last week featured some extreme cold in Alaska where some of the lowest temperatures ever for April were experienced and there was some very cold air in Europe as well. All of this took place while much of the US enjoyed generally warm and dry weather from coast-to-coast. That enjoyable pattern is certainly going away for the northeastern quadrant of the nation where below-normal temperatures may be the theme through the remainder of the month of April.
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Soaking rain is headed to the Mid-Atlantic region for later today, tonight and early Thursday and it will be followed by an impressive cold blast for the beginning of the month of April. Temperatures will drop sharply late tonight/early tomorrow following the passage of a strong cold front and winds will become increasingly strong from a northwesterly direction. This cold air outbreak will result in accumulating snow on Thursday across interior sections of the Mid-Atlantic/Northeast US from West Virginia to northern New England and some snow can actually fall all the way down into the immediate I-95 corridor. Temperatures late tomorrow night and again late Friday night are likely to fall to or just below the freezing mark in many spots, but the unusual chill will ease during the upcoming Easter weekend. One final note, tomorrow is Opening Day for Major League Baseball in many Mid-Atlantic/Northeast US locations…if attending one of these games, better bring a winter coat.
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Another soaking rain event is headed to the region extending from the Tennessee Valley to the Mid-Atlantic and it will be followed by an impressive cold blast for the beginning of April. The soaking rain will push northeastward on Wednesday from the Tennessee Valley into the Mid-Atlantic; primarily, for the afternoon and nighttime hours. All of this activity will take place just ahead of a strong cold front which will usher in much colder air for Thursday and Friday and there can even be some accumulating snow when it arrives; primarily, across interior sections of the Mid-Atlantic and Northeast US.
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