Spring has sprung and the current warm spell will peak today and tomorrow with possible record warmth and temperatures soaring right through the 70’s. In fact, temperatures can reach the 80 degree mark in some spots on either day. A weak cool frontal passage will bring temperatures down slightly on Friday, and then clouds and scattered showers will keep it a bit cooler this weekend, but still above-normal for this time of year.
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A major warm up got underway yesterday across the eastern US as high pressure pushed off the east coast allowing for the formation of a broad southwesterly flow of air into the region. Temperatures this afternoon should climb into the 70's and then we'll flirt with the 80 degree mark on both Wednesday adn Thursday. A late week cool frontal passage will bring temperatures back down slightly on Friday and then clouds and showers this weekend will help cause even cooler conditions, but still above normal for this time of year.
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It is off to the races this afternoon for temperatures as a major warm up gets underway across the eastern US. Temperatures this afternoon should surpass the 60 degree mark in the DC metro region and then 70 degrees will be within reach on Tuesday and perhaps a record-breaker on Wednesday in the middle 70’s. A cool front will bring us back down somewhat for Thursday and Friday, but it’ll stay above normal for this time of year.
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One snow event is over for the DC, Philly metro regions and it winding down in New York City, but there is the possibility for another nuisance snowfall in the I-95 corridor from tomorrow night into early Sunday. The weekend system should be one of winter’s last gasp as an atmospheric blow torch will send temperatures soaring all across the eastern half of the nation next week.
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The theme of this 6-day forecast period is "from snow to May" as there will be a major warm up next week following last night's snow event and perhaps more nuisance snow from Saturday night into early Sunday. Snow has ended across the DC metro region as low pressure pulls away from the Mid-Atlantic coastline while intensifying rapidly. Snow could last right into the mid-day hours over the Delmarva Peninsula where some places may end up with 3 or 4 inches by ending time. By tomorrow night, more nuisance snow is possible as a “clipper” low pressure system drops southeastward from the Northern Plains to the Ohio Valley and then into the Mid-Atlantic. This system could generate an additional coating of snow to parts of the area before it pushes out of here early Sunday morning.
Beyond the weekend, it is off to the races for temperatures across the eastern half of the nation as explosive warming will take place. Temperatures should approach 60 degrees around here on Monday afternoon and then 70 degrees is likely on Tuesday and Wednesday. The dramatic warm up won’t come without its problems, however, for many parts of the nation. The south-central US will likely experience tremendous amounts of rainfall next week - perhaps reaching a foot or more - and there is likely going to be a severe weather outbreak in the Deep South. Furthermore, the state of California will get absolutely pounded next week and beyond for awhile which could result in a foot of rain in much of the northern half of the state and several feet of snow in the Sierra Mountains.
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In one of winter's last gasps in the Mid-Atlantic region, there will be not one, but two (relatively minor) snow events that impact the area over the next few days before an explosive warm up next week sends temperatures soaring all across the eastern half of the nation. Each one of these upcoming snow events can produce “nuisance” accumulations in the immediate I-95 corridor generally ranging from a "coating to 2 or 3 inches".
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Strong NW winds flooded the Mid-Atlantic region yesterday with a much colder air mass compared to recent days and this will set the stage for an accumulating snow event from later this evening into Friday. Clouds will increase later today as moisture begins streaming eastward from the Ohio Valley with low pressure dropping into the region from the Northern Plains. Snow should break tonight in the DC metro region - possibly mixed with rain for awhile - and continue into Friday morning with accumulations likely for the Friday morning commute. Rain can mix in at times on Friday; primarily, to the southeast of I-95.
By tomorrow morning, the initial Ohio Valley low pressure system will transfer its energy to a secondary low pressure system along the Mid-Atlantic coastline and this storm is expected to intensify rapidly as it pulls northeastward. As far as snowfall estimates are concerned, up to 3 inches of snow can fall in the DC metro region, but a slight shift to the northwest in the current expected storm track could increase accumulations significantly along the I-95 corridor - so stay tuned. A fast-moving "clipper" type of low pressure system will bring the chance for more snow to the Mid-Atlantic region on Saturday night and early Sunday with additional accumulations possible. After that, it is off to the races next week as far as temperatures are concerned as there will be a major warm up.
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Strong NW winds have flooded the Mid-Atlantic region today with a much colder air mass compared to the past couple of days and this will set the stage for an accumulating snow event tomorrow night and Friday. After a very chilly night, clouds will increase later tomorrow as moisture begins streaming eastward from the Ohio Valley with low pressure dropping into the region from the Northern Plains. Snow should break out tomorrow night in the I-95 corridor and continue into Friday with accumulations likely for the Friday morning commute.
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The mild weather of the past few days will evaporate today as strong NW winds bring an influx of colder air following the passage of a strong cold frontal system. Winds can gust to 40 mph or so this morning as the colder air mass pours into the region. By later tomorrow, clouds will increase as moisture streams eastward across the Ohio Valley and snow is likely to break out tomorrow night and continue into Friday. Accumulations are likely in time for the Friday morning commute in the I-95 corridor and a small shift to the N and W of the expected intensifying coastal low could increase accumulations dramatically. It stays relatively cold through the upcoming weekend and there can be some more snow or snow shower activity by Saturday night from a fast-moving “clipper” low pressure system.
Looking ahead, a major warm up is coming next week into the eastern half of the nation which could bring temperatures to the 70 degree mark in the I-95 corridor region from DC-to-Philly-to-NYC.
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In rather typical fashion, March will produce some wild swings around here that could include accumulating snow late this week and 70 degrees later next week. Our mild conditions of the past couple of days in the Mid-Atlantic region will give way quickly on Wednesday to an influx of cold air following the passage of a strong cold frontal system. That front will generate periods of rain around here tonight into early Wednesday and then gusty NW winds will usher in a much colder air mass for the second half of the week. By later Thursday, moisture will begin streaming in our direction from the Midwest and snow is likely to break out during Thursday night and continue into Friday with accumulations quite possible by the Friday morning commute in DC, Philly and New York City.
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