An upper-level ridge builds into the Mid-Atlantic region for the next couple of days and this will lead to hotter conditions with afternoon highs well up in the 90’s in most spots along the I-95 corridor. A few shortwaves will keep it unsettled around here right through the upcoming weekend with rounds of showers and thunderstorms; primarily, focused on the afternoon and evening hours. Any thunderstorm that forms during the next few days can produce heavy rainfall amounts given the high amounts of available moisture and the likely slow-moving nature of the storm cells. Elsewhere, the tropical scene is alive and well in the Atlantic Basin as we flip the calendar to August and there could be an intensifying tropical system to deal with over the eastern Gulf of Mexico by early next week.
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Low pressure will pass by to our north today and there can be showers and thunderstorms in the Mid-Atlantic region at just about anytime from late morning on through the afternoon. An upper-level ridge of high pressure takes control of the weather for the remainder of the week and this should result in hotter conditions on Thursday and Friday and continued quite humid. After temperatures peak later today near the 90 degree mark, they’ll likely climb into the low-to-mid 90’s for highs on both Thursday and Friday. The overall pattern remains unsettled as well on Thursday and Friday with a chance of PM showers and thunderstorms and warm, humid and unsettled conditions are likely this weekend.
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A couple of shortwaves will rotate through the region later today and tonight raising the chance of PM showers and thunderstorms…some of the storms can be strong and produce heavy rainfall amounts. There should be plenty of cloud cover around as well today which should limit high temperatures this afternoon to the low-to-mid 80’s in the Philly metro region. It remains somewhat unsettled on Wednesday with another shower and thunderstorm possible and then upper-level high pressure ridging to our southwest takes control for the latter part of the week. As such, it’ll turn hotter for Thursday and Friday with afternoon high temperatures likely well up in the 90’s and there can be scattered showers and thunderstorms.
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The weather was rather tranquil this weekend with dry and warm conditions, but it turns unsettled again today and it’ll remain unsettled for much of the week. Low pressure spinning over New England this morning will generate showers in the Mid-Atlantic region and there can be some PM thunderstorm activity as well. Another low pressure system will drift by to our north from Tuesday into Wednesday raising the chance of additional showers and thunderstorms in the local area.
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A cold front passed through the region in the overnight hours and high pressure will build eastward from the Great Lakes assuring dry conditions for the weekend. In addition, the high humidity of recent days will become noticeably lower today and temperatures for the next few days should be at comfortably warm levels.
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After one more warm, humid, and unsettled day in the Mid-Atlantic region, high pressure centered over the Great Lakes will take control of our weather on Friday and provide us with dry and comfortably warm conditions through the weekend. As far as today is concerned, there will again be plenty of clouds around and the threat of additional showers…maybe a thunderstorm. Temperatures should peak this afternoon in the low-to-mid 80’s and overall humidity levels should drop by tomorrow as high pressure to our northwest edges into the region.
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High pressure centered over the western Atlantic Ocean continues to pump in warm, moist air to the Mid-Atlantic region and a series of weak fronts will keep it unsettled around here for the next couple of days. The combination of the high humidity and the weak disturbances will result in a chance of showers and thunderstorms right through tomorrow night and some of the rain can be heavy at times. High pressure building over the Great Lakes by week’s end should be strong enough to eliminate the chance of rain around here on Friday, Saturday, and Sunday and temperatures should be pretty close to seasonal norms.
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What a difference a week makes...a week ago the Mid-Atlantic region was experiencing high heat with triple digit highs in some spots and significant rainfall was hard to come by. Severe thunderstorms then took place last Tuesday and Wednesday causing numerous power outages in the Mid-Atlantic region...all part of a transition in the overall pattern that resulted in an influx of cooler air on Thursday. Since then, and for the rest of this week, temperatures will be much closer to seasonal norms with afternoon highs generally in the 80’s and no triple digit heat is in sight for the I-95 corridor. In terms of rainfall, weak winds in the lower and middle atmosphere are contributing to slow movement of showers and thunderstorm cells and - given the high amounts of available moisture - this has increased the chance for some heavy rainfall amounts in a given location and this threat will remain with us through Thursday. Beyond that, high pressure over the Great Lakes is likely to bring about a warm and dry period from Friday through Sunday.
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High pressure centered over the western Atlantic Ocean continues to pump in warm, moist air to the Mid-Atlantic region and a series of weak fronts will keep it unsettled around here for the next few days. The combination of the high humidity and the multiple disturbances will result in a chance of showers and thunderstorms right through Thursday and some of the rain can be heavy at times. High pressure over the Great Lakes by week’s end should be strong enough to eliminate the chance of rain around here on Friday, Saturday, and Sunday and temperatures should be pretty close to seasonal norms.
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Much of the week ahead will feature high pressure centered over the western Atlantic Ocean and from this location a low-level flow of air from the Gulf of Mexico will pump in warm and humid air to the Mid-Atlantic region. The combination of the high humidity and a series of weak disturbances and frontal systems will generate a daily threat of showers and thunderstorms right through the day on Thursday. Many of the showers and thunderstorms that form during the next few days will be slow-movers raising the chance of heavy rainfall over a given location…perhaps resulting in some localized flash flooding conditions.
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