A coastal storm is intensifying as it turns slowly up the Mid-Atlantic coastline and it will produce heavy rain bands today in the DC-to-Philly-to-NYC corridor along with some strong wind gusts and perhaps a thunderstorm or two. The rain bands will rotate to the northwest and into the I-95 corridor from the southeast today as the low pushes slowly up the coast.The low pressure system will push to near the mouth of the Chesapeake Bay by later today and then weaken tonight as it pushes away from the coastline. The steadiest, heaviest rain threat will end by later tonight and it’ll become noticeably milder during the afternoon hours on Wednesday. A strong surge of warm air will then boost temperatures well into the 80’s on Thursday and Friday in the DC metro region and both weekend days will be very warm. In fact, some spots could reach the 90 degree mark for highs this weekend. At the same time the Mid-Atlantic warms up considerably, very cold air for this time of year will plunge into the western US and states like Colorado and Wyoming could actually end up with substantial snowfall.
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A coastal storm will intensify significantly over the next 12-24 hours and become a major player for the eastern US with heavy rain, strong winds and embedded strong thunderstorms. Deep upper-level low is moving very slowly today across the Southeast US and, as it becomes negatively tilted, a strong jet streak will rotate around and help to set off the rapid intensification of surface low pressure. An impressive influx of moisture is already feeding into this developing storm system from the western Atlantic Ocean and much of this will slowly ride up the eastern seaboard over the next 36 hours or so. The precipitation rate in the DC-to-Philly-to-NYC corridor will increase tonight and bands of heavy rain are likely on Tuesday and Tuesday night along with strong wind gust and cool temperatures.
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High pressure extended down the Northeast US coastline on Sunday salvaging the second half of the weekend for us here in the DC metro region. However, the brief break in the rainy weather pattern will end today as low pressure begins to track slowly up the east coast. In fact, this slow-moving system is likely to generate some rain around here right into tomorrow night and temperatures will remain on the cool side throughout this precipitation event. Later Wednesday, as the low pressure system finally pulls away, much milder air will pour into the Mid-Atlantic region and a significant warm surge will boost temperatures well into the 80’s by the end of the week.
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An unsettled weather pattern is setting up for the next five days for the DC metro region. A cold front approaches today from our west and it is likely to generate afternoon scattered showers and thunderstorms and some of the storms can be on the strong side. The front stalls out to our south this weekend and low pressure will track along it towards the Mid-Atlantic coastline. As a result, we'll experience a cool and wet weekend in the DC metro region with temperatures struggling to reach the 60 degree mark for highs. This low pressure area will still hang around the coastline early next week and the result is likely to be more cool and wet weather here on Monday and Tuesday before it finally pulls away at mid-week
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This weekend will turn noticeably cooler in the Mid-Atlantic region and there will be some rain to go along with that cool down; especially, south of the PA/MD border. We’ll then stay quite cool during the first half of next week, but a significant jump in temperatures is likely to arrive in the eastern US at the end of next week or during the following weekend. In fact, this surge of heat could result in the first 90 degree readings this year for parts of the Northeast US.
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Our low-level winds will shift from a southeasterly direction to southwesterly today and this will push much warmer air into the DC metro region. It’ll stay quite warm on Friday as well as a cold front approaches the region from the Great Lakes. This warm up will also bring with it scattered showers and possibly a couple of thunderstorms from today into tomorrow night. Following the cold frontal passage, it’ll turn cooler for the weekend and a cool, rainy period is likely to unfold from later Saturday into Sunday as strong low pressure pulls out of the south-central US and heads towards the Mid-Atlantic coastline.
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High pressure has pushed off the Northeast US coastline and low-level SE winds have brought us a deck of clouds and there will be occasional showers to go along with much cooler conditions compared to recent days. A frontal system will approach the area late this week and it'll turn much warmer ahead of it on Thursday afternoon and Friday, and there will be the chance for a couple of showers and thunderstorms. Behind the front, it'll turn cooler this weekend and low pressure will pull out of the south-central US and head towards the Mid-Atlantic region. This system is likely to bring us a cool, rainy period from late Saturday into early Monday.
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High pressure builds across the region today and that should provide us with plenty of sunshine and seasonably mild conditions after a cool start. The weather pattern becomes unsettled during the second half of the week with low pressure headed towards the Northeast US. This system could cause a shower or two on Wednesday and then more numerous showers and perhaps a thunderstorm are likely later Thursday. There are early signs for perhaps a cool and rainy event around here later this weekend.
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A cold front is passing through the region this morning and it’ll generate occasional rain into the mid-day hours and then it’ll turn noticeably cooler in the overnight hours and on Tuesday. High pressure builds into the region later today and will shift off the east coast by mid-week. Multiple disturbances will head our way for the mid and late week time period keeping us unsettled with a daily chance for showers.
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High pressure remains in control today and it’ll stay dry and seasonably mild for this time of year. The weekend gets a little bit unsettled, however, as a warm front arrives later Saturday and then a cold front approaches the I-95 corridor late on Easter Sunday. As a result, showers are possible late Saturday and Saturday night and again on Sunday and Sunday night and there could also be a thunderstorm associated with the cold frontal passage at the end of the weekend. Easter Sunday will turn out to be very warm for mid-April with highs in the 80’s, but then we’ll cool down some early next week as high pressure returns.
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