A cold front will move through the region today and it will result in some shower or thunderstorm activity and some of the storms can be on the strong-to-severe side with small hail as a possibility. The rain will be possible around here any time from late morning on through the early evening hours. After an evening shower or thunderstorm, skies will clear in the overnight hours and it’ll turn quite cool with early morning lows not far from the 50 degree mark. High pressure will dominate the scene for the second half of the week in the Mid-Atlantic region providing plenty of sunshine and it’ll remain somewhat cooler-than-normal for the latter stages of September and the beginning of October.
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High pressure is in control as we begin the new work week, but the arrival of a weak frontal system will bring some clouds to the area tonight and Tuesday and perhaps a shower or two. Following the front, more high pressure will push into the Mid-Atlantic region and result in generally cool and dry weather for the mid and late week time periods. Meanwhile, Hurricane Sam is churning over the Atlantic and needs to be closely monitored. As high pressure builds into the southeastern part of Canada in coming days, Hurricane Sam could take a turn towards the Northeast US/New England during the upcoming weekend.
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A strong cold front pushed through the Mid-Atlantic region on Thursday causing heavy rain and strong thunderstorms, but its painful passage will pave the way for a nice stretch of weather. In fact, the next several days will feature plenty of sunshine in the Mid-Atlantic region on a daily basis with low humidity and comfortable temperatures for the latter part of September.
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A cold front continues to push slowly to the east today through the Mid-Atlantic region and it is currently generating heavy downpours and strong-to-severe thunderstorms that extend from the Delmarva Peninsula-to-eastern Pennsylvania-to-central New York. This line of showers and storms associated with the cold front has been creating havoc and flash flooding in many areas as it slides eastward. On the back side of the front, an extended period of nice weather is in store for the Mid-Atlantic region, but it’s going to be painful for many before we get to that point.
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A cold front will work its way through the region today resulting in additional downpours and possibly a strong-to-severe thunderstorm or two. Some of the rain will be heavy at times...watch out for localized flash flooding; especially, in the higher terrain in the western suburbs. In the wake of the frontal passage, a stretch of nice weather will begin here on Friday and continue through at least Tuesday of next week featuring plenty of sunshine, low humidity and comfortable temperatures.
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A significant rain event is now getting underway in the Mid-Atlantic region and it will continue into early Friday as a cold front inches its way across the area. This cold front has support aloft from a strong disturbance that will center itself over the Great Lakes/Ohio Valley and there will be plenty of low-level moisture within a persistent and broad south-to-southeast flow of air that is forming on its front side. Showers have already pushed into interior sections of the Mid-Atlantic region and there can be an afternoon thunderstorm or two. The showers and thunderstorms will become more numerous on Thursday and Thursday night and some of the storms can reach severe levels with damaging wind gusts and even isolated tornadoes on the table. Flash flooding is an increasing concern in the Mid-Atlantic region given the already well-saturated grounds from recent significant rain events.
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There is a good chance for significant rainfall in the Mid-Atlantic region during the next 48 hours as a cold front inches its way across the area and flash flooding is a concern. This cold front will have support aloft from a strong disturbance that will center itself over the Great Lakes/Ohio Valley and there will be plenty of low-level moisture within the broad south-to-southeast flow of air that forms today on its front side. Occasional showers are likely today with an afternoon thunderstorm possible and they will become more numerous for tonight, tomorrow and tomorrow night. Some of the thunderstorms on Thursday and Thursday night can reach strong-to-severe levels. Following the frontal passage, the weekend is looking quite nice with comfortable temperatures for late September.
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There is a good chance for significant rainfall later this week in the Mid-Atlantic region as a cold front inches its way across the area. This cold front will have support aloft from a strong disturbance that will center itself over the Great Lakes/Ohio Valley and there will be plenty of low-level moisture within the broad south-to-southeast flow of air that forms on its front side. Showers are likely to first develop on Wednesday across western sections of the Mid-Atlantic region and then gradually spread eastward on Wednesday night and Thursday. There is also likely to be a threat for strong-to-severe thunderstorms on Thursday and Thursday night to go along with the heavy rain threat.
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There is a chance for some significant rainfall later this week in the Mid-Atlantic as a cold front inches its way across the region in the late Wednesday to late Thursday time period. The slow moving surface cold frontal system will have support aloft with a strong disturbance and will have lots of low-level moisture to work with as a broad southerly flow of air develops just ahead of it. The front will be followed by cooler-than-normal air in the eastern states for the late week and upcoming weekend.
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There is a chance for some significant rainfall later this week in the Mid-Atlantic region as a cold front inches its way across the area in the late Wednesday to late Thursday time period. The slow moving surface cold frontal system will have support aloft with a strong disturbance and will have lots of moisture to work with as a broad southerly flow of air develops just ahead of it. The front will be followed by cooler-than-normal air for the eastern states for the late week and the upcoming weekend.
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