A cold front will approach the Mid-Atlantic region later today and then inch its way through, but it’ll stall out just to the south of here by early tomorrow. Its close proximity during the next 48 hours will likely result in numerous showers and thunderstorms. Some of the storms that form between later today and late tomorrow can be on the strong-to-severe side and any shower or storm can result in torrential rainfall...watch out for localized flooding. On the tropical scene, there is a serious threat for a powerful hurricane by later Sunday in the northern Gulf coastal region. This tropical system is likely to undergo rapid intensification and could attain “major” hurricane status (i.e., category 3 or higher) before a potential landfall late in the weekend. After landfall, the remnants of "Ida" are likely to turn to the north initially and then to the northeast and could bring significant rainfall to the Mid-Atlantic region around mid-week.
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The Atlantic Basin remains quite active today with three systems on the tropical scene, but the one over the west-central Caribbean Sea is of most concern at this time. There are strong signs that this system now officially known as “Tropical Depression 9” can reach hurricane status by the early part of the weekend over the Gulf of Mexico and then perhaps close in on the western/central Gulf coast by later Sunday or Monday. There is even the chance that TD 9 undergoes rapid intensification and strengthens enough in coming days to reach “major” hurricane status (i.e., category 3 or higher).
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High pressure will remain in control through tonight and then a cold front will arrive in the area on Friday. This front will not have much of a push behind it and is likely to stall out in the Mid-Atlantic region this weekend. Its proximity on Saturday and Sunday should bring relief in the temperature department with temperatures likely confined to the low-to-mid 80’s for afternoon highs and there will continue to be a threat of showers and thunderstorms. On the tropical scene, there is a growing threat for a hurricane - perhaps even "major" - Louisiana coastal region by the early part of next week.
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The Atlantic Basin remains quite active as we push towards the end of August with three systems on the tropical scene, but the one over the Caribbean Sea is of most concern at this time. There are strong signs that this system now officially known as “Invest 99L” can reach hurricane status in coming days and perhaps threaten the Texas and/or Louisiana coastline by the early part of next week.
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High pressure will remain in control over the next few days resulting in plenty of sunshine around here to go along with continued hot and humid conditions. A cold front approaches the region late Friday and it is likely to stall out in the Mid-Atlantic region this weekend. Its proximity over the weekend could bring us a bit of relief in the temperature department. Temperatures are likely to reach 90 degrees or slightly above that mark during the next few days and then perhaps be confined to the middle 80’s for afternoon highs this weekend. On the tropical scene, there are signs for a possible hurricane in the Texas/Louisiana coastal region by Monday or so...something to closely monitor next few days.
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The remains of “Henri” will push away from the northeastern part of the country this morning and the next few days will feature very warm and humid conditions in the Philly metro region with high temperatures at or slightly above the 90 degree mark. By the end of the week, a cold front will close in from the northwest and its Friday night passage is likely to bring us some relief for the upcoming weekend.
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The remains of Tropical Storm Henri will impact the Northeast US for another 24 hours or so with plenty of clouds, moisture and occasional showers and thunderstorms. This system will push off the coast tomorrow morning and the weather will turn hotter in the Mid-Atlantic region with high temperatures at or slightly above the 90 degree mark for much of the remainder of the week.
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A broad upper-level trough remains in place overhead and is producing enough instability for numerous showers and maybe a thunderstorm or two in the Philly metro region. The threat for rain will continue into the weekend as well and some of the rain on Saturday and Saturday night can be heavy at times. Meanwhile, the storm track of Tropical Storm Henri will become increasingly influenced this weekend by building high pressure over southeastern Canada and this system is likely to turn to the north and intensify into a hurricane – potentially resulting in a direct impact on Long Island or New England by late Sunday
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Tropical Storm Henri remains a threat to Long Island and New England where it could make a direct impact as a strong tropical storm or weak hurricane late in the upcoming weekend. This system will become influenced by expanding high pressure over southeastern Canada and a developing upper-level trough over the Appalachian Mountains causing it to make a sharp right turn in the near-term. In addition, more favorable environmental conditions will allow for intensification of Henri this weekend from the current tropical storm status to hurricane levels and it could very well be closing in on Long Island and southern New England as a strong tropical storm or weak hurricane by late in the day on Sunday. All residents from the northern Mid-Atlantic to northern New England should closely monitor the movement of Tropical Storm Henri.
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The remnants of Tropical Storm “Fred” have moved to the north of here into upstate New York and the chance for rain here today will diminish; but not disappear completely. The atmosphere will remain unstable enough for isolated-to-scattered showers and thunderstorms later today as well as tonight and on Friday. Meanwhile, Tropical Storm “Henri” continues to churn slowly out over the western Atlantic Ocean and is on the doorstep of attaining hurricane status (max sustained winds now at 70 mph). The unfolding upper air pattern may allow for movement of Henri towards New England later this weekend and all residents along the Northeast US coastline should monitor this system in coming days.
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