An east-to-northeast flow of chilly ocean air will persist into tomorrow keeping a lid on temperatures for another day and resulting in some patchy fog and occasional rain or drizzle. The ocean flow should weaken by Saturday afternoon and this should allow temperatures to climb towards the 70’s, and it’ll remain very mild during the early part of next week.
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The overall weather pattern remains quite active across the continental US, and it is the time of year for thunderstorm activity to become more prevalent compared to recent weeks. In fact, there can be some thunderstorm activity in the Mid-Atlantic region later tonight as a strong upper-level disturbance passes through the area and heavy downpours are on the table. On Friday, there is an enhanced risk of severe weather across the nation’s mid-section including the threat of tornadoes as a strong upper-level trough ejects northeastward from the southwestern states along with its associated powerful jet streak.
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An easterly flow of air has developed around here following the passage of a backdoor cold front which will push off any big-time warmup until this weekend. Temperatures should reach the 60’s today and then hold in the 50’s on Friday with a continuing oceanic flow of air from the still-chilly waters of the western Atlantic. It remains quite damp as well during the next 48 hours with widespread fog and occasional rain around. On Saturday, the oceanic air mass should retreat to the north and temperatures could climb all the way into the 70’s. It should then be very mild during the early part of next week and a strong front can bring a soaking rainfall to the Mid-Atlantic region during the latter part of next week.
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The cold air mass that pushed into the northeastern states earlier this week will retreat to the north today and it turns somewhat milder, but it’ll be damp as well with occasional rain and some patchy fog around. It stays unsettled tonight and tomorrow with additional rain likely and the patchy fog will stick around in some areas. A backdoor cold front pushes through the region by tomorrow night and while the end of the week will be relatively mild, but real warmup holds off until this weekend. In fact, temperatures on Saturday should climb through the 70’s with some sunshine and there can also be some shower and thunderstorm activity as a weak front arrives in the area. It stays very mild through the early part of next week with 70+ degree high temperatures remaining on the table.
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Temperatures will hover around the freezing mark for awhile longer this morning allowing for the rain to freeze on some untreated surfaces…watch for early day slick spots in some of the northern and western suburbs. Plain rain is likely for the late morning and afternoon hours as temperatures are to climb into the low-to-mid 40’s for highs. It turns much milder for the second half of the week and the upcoming weekend, but the warmup will be plagued by multiple rounds of showers. Temperatures should climb well up into the 50’s on Wednesday, the 60’s on Thursday, and likely near the 70 degree mark on Friday, Saturday and Sunday.
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After a very mild day on Saturday, a strong cold front passed through the Mid-Atlantic region on Sunday and ushered in a much colder-than-normal air mass for the early part of the new work week. The cold front has dropped just to the south of the area and low pressure will ride along the boundary zone today and snow is likely in the DC metro region this afternoon with some accumulations. By tonight, the dominant precipitation type in the DC metro region will be freezing rain and this could last into the early morning hours on Tuesday. Farther north, precipitation is likely to hold off in the Philly metro region until around daybreak on Tuesday and freezing rain will likely be the dominate precipitation through the morning hours. Watch for slick spots in both metro regions before a changeover to plain rain and above-freezing temperatures.
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A cold front passed through the region on Sunday resulting in a much different day compared to Saturday when temperatures climbed into the 60’s. The cold front has dropped just to the south of here and low pressure will ride along the boundary zone from later today into Tuesday. It’ll be cold enough for snow from mid-day into the afternoon hours with accumulations of an inch or two possible. After a bit of snow and sleet early tonight, freezing rain will become the dominate precipitation type…watch for slick spots. Any freezing rain early Tuesday will become plain rain as temperatures climb towards the 45 degree mark for afternoon highs. Much milder weather arrives for the second half of the week, but it’ll be accompanied by multiple rounds of showers.
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Low pressure passed by to our south on Thursday and the next couple of days should be dry and increasingly mild. The mild weather on Saturday will come ahead of a strong Arctic cold front which arrives in the area on Sunday potentially bringing a rain shower or two to the area. A weak low pressure system will head towards the Mid-Atlantic region on Monday and with Arctic air fully entrenched, any precipitation with that system should be in the form of snow. A second low pressure system could follow on Monday night and Tuesday with some rain and/or ice possible. Looking ahead, a big-time warmup is likely by the end of the next week and weekend, and it should last well into the second week of March with a real taste of spring on the way.
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An active weather pattern brought a clipper system to the north of the Mid-Atlantic on Wednesday and another low-pressure is sliding to the south of the region today with little or no impact. A strong Arctic cold front will arrive in the Mid-Atlantic region on Sunday, and it can produce some snow shower activity; especially, to the north of the PA/MD border. Weak low-pressure will push into the Mid-Atlantic region on Monday and it could produce some snow with fresh Arctic air in place. Yet another low pressure could quickly follow on Monday night and Tuesday with some rain, ice and/or snow possible. Once that early week Arctic air mass retreats to the north, a big-time warmup should begin late next week/weekend in the Mid-Atlantic region with a taste of spring on the way.
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A clipper system passed by to our north yesterday and low pressure will pass by to our south later today. This system can bring some rain to the area, but its overall impact should be rather limited as we’ll be on its northern fringes. It turns noticeably milder by the weekend, but a strong cold front passes through on Saturday night ushering in much colder air for the early part of next week. We’ll have to watch an active frontal boundary zone early next week for possible low pressure that could produce snow in the Mid-Atlantic region. Looking beyond the early week snow threat, there is a good chance for a noticeable warmup later next week with the 60’s a possibility by week’s end.
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