A wave of low pressure will track along a frontal boundary zone today from southwest-to-northeast and produce more rainfall in the Mid-Atlantic region. There will be a brief break in this active and unsettled weather pattern from tonight into late Wednesday as high pressure takes over for a short period of time. Another low pressure system, however, will then impact us with more rainfall from Wednesday night into Thursday and it can be cold enough at the start for a brief wintry mix. Quite an impressive cold air outbreak will arrive here on Thursday night and temperatures will struggle to pass the freezing mark on Friday and there will be strong winds from the northwest. One final note, the rocket launch scheduled for late Sunday afternoon at Wallops Island, VA was scrubbed due to a faulty sensor. The next attempt will be no earlier than Thursday afternoon.
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Low pressure will track to our north today and drag a cold front through the region and then another low pressure system will ride up and along the frontal boundary zone on Tuesday. As a result, the week will start on an unsettled note with occasional rain today, tonight and Tuesday. High pressure will arrive at mid-week and then we’ll have to watch for yet another system as it pulls out of the southwest and heads in this direction likely with more rainfall on Wednesday night and Thursday with an outside chance that it begins briefly as a wintry mix. An impressive cold air outbreak will arrive here on Friday and it'll stay quite cold to begin the upcoming weekend.
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Strong low pressure will move over the interior part of Pennsylvania today on its way to eastern New England and a strong cold front will sweep eastward through the region. This frontal passage will be accompanied by more rain and winds can gust to 50 mph. In addition, there can be a strong-to-severe thunderstorm this morning or mid-day containing heavy downpours, damaging wind gusts and perhaps even small hail. High pressure takes over to start the weekend, but a weak system could produce some snow showers on Saturday night.
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Low pressure is now intensifying over the Tennessee Valley and it has tremendous support in the upper part of the atmosphere with a vigorous wave of energy and a powerful jet streak. This developing storm will have a wide ranging impact in the eastern US over the next 24 hours or so with severe weather in the southeastern states, heavy rain/strong thunderstorms and potential flooding in the Mid-Atlantic region, and significant snow across interior sections of the Northeast US.
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The cold front that pushed through the region in the early morning hours on Wednesday will turn around today and move to the north as a warm front. As a result, the cold conditions that start the day will give way to milder weather this afternoon as low pressure starts to pull in this direction from the Tennessee Valley. This low pressure system will have lots of support in the upper atmosphere resulting in a soaking rain event around here from later today into early Friday. A strong cold front will push across the region on Friday and the winds should increase noticeably with gusts past 40 mph possible out of the northwest. Over the weekend, a weak wave of energy will head into the eastern states and it may produce a bit of snow in the region on Saturday night or Sunday.
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An active weather pattern will result in freezing rain for parts of the Mid-Atlantic region during the next 12-24 hours and heavy rainfall is likely from later tomorrow into early Friday with the potential of flash flooding. A strong cold frontal passage last night has resulted in a dramatic drop in temperatures from yesterday’s unseasonably mild conditions and they will drop quite close to the freezing mark in several of the northern and western suburbs along the I-95 corridor. Meanwhile, another batch of rain will arrive here from the Tennessee Valley and this can result in freezing on some surfaces in these normally colder locations. This same front will push back to the north as a warm front on Thursday and pave the way for a strong low pressure system to generate heavy rainfall from later tomorrow into early Friday.
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An active weather pattern will produce a freezing rain threat around here from later today into early tomorrow and a heavy rain event from tomorrow night into early Friday. A strong cold frontal passage in the overnight hours has resulted in a dramatic drop in temperatures from yesterday’s warmer-than-normal levels and they should drop to near the freezing mark later tonight. This same front will then push back to the north as a warm front later tomorrow and pave the way for a strong low pressure system to generate some heavy rainfall around here from tomorrow night into early Friday and the possibility of flash flooding. Yet another low pressure system will move eastward from the Ohio Valley this weekend and it could generate some snow here from Saturday night into early Sunday.
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An active weather pattern will produce a freezing rain threat in the Mid-Atlantic region from later tomorrow into early Thursday, a heavy rain and flash flooding threat from Thursday night into early Friday, and then perhaps some accumulating snow from Saturday night into Sunday. A strong cold frontal passage in the overnight hours will result in a dramatic drop in temperatures from this afternoon’s well above normal levels to more winter-like conditions on Wednesday and Wednesday night. The same front will then push back to the north as a warm front late Thursday and pave the way for a strong low pressure system to generate some heavy rainfall around here from Thursday night into early Friday. Yet another low pressure system could generate some accumulating snow in the Mid-Atlantic region during the upcoming weekend.
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An active weather pattern will result in inclement weather around here right through the end of the work week with multiple low pressure systems impacting the Mid-Atlantic region. Today’s system will be rather weak and should not result in a soaking rain event, but only occasional light showers, and then a cold front will sink through the region later tonight. As a result of the frontal passage, temperatures will drop noticeably from the quite mild levels of today to the chilly 30’s by later tomorrow and this could lead to some freezing rain and sleet around here from later tomorrow into early Thursday. That same front will then turn around and push back to the north by Thursday night and the last in a series of low pressure systems – perhaps the strongest of the week – will likely produce some heavy rainfall here Thursday night into early Friday. Yet another low pressure system may impact the Mid-Atlantic region this weekend and this one could result in some accumulating snow here from Saturday night into Sunday.
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After a chilly weekend, temperatures will rise noticeably today as high pressure strengthens in the Southeast US. In fact, temperatures should climb into the 50’s as we begin the new work week and it’ll stay mild for the next couple of days as well. Unfortunately, the warm up will come with numerous chances of rain as a slow-moving cold front becomes the focus area for multiple waves of low pressure. Rain is possible on each day from tomorrow through Friday – some of it is likely to be heavy at times - and we’ll have to watch for the possibility of frozen precipitation later in the week as colder air seeps into the Mid-Atlantic region.
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