A cool front pass through the region on Thursday and has paved the way for a stretch of decent weather across northern Alabama. In fact, high temperatures are likely to be confined to the middle 80’s in general during the next several days which is not bad at all for the early part of September.
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Lee is intensifying rapidly and is likely to become a “major” hurricane later in the day as a category 3 or even higher. The overall environment is very favorable for the strengthening of Lee with the relaxation of wind shear as it moves underneath an upper-level ridge and its WNW trek continues over very warm waters of the tropical Atlantic Ocean. Hurricane Lee has been on a consistent path to the WNW and that should bring it to a position north of the northern Leeward Islands this weekend.
By early next week, the west-to-northwest path of Lee should change to a northerly direction which would reduce the chances of a direct impact on the US east coast. However, any small deviation in the timing or magnitude of this potential “turn” can have significant implications downstream. Two systems that will likely play a big role in the ultimate track of Lee are many days away from even forming. They include an upper-level trough that may develop over the Ohio Valley/eastern US later next week and an upper-level ridge that may intensify over southeastern Canada/NW Atlantic.
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A cool front will pass through the region later in the day and pave the way for a stretch of decent weather across northern Alabama. In fact, temperatures should peak in the mid-to-upper 80’s for the most part during the next several days – not bad for early September.
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Tropical Storm Lee is on the door step of “category 1” hurricane classification and all indications are that it will continue to intensify and reach “major” hurricane status by the weekend. In fact, the expected significant intensification of Lee could result in the storm climbing all the way to “category 5” classification sometime this weekend or early next week. The overall environment becomes very favorable for the strengthening of Lee with a relaxation of wind shear and a west-to-northwest trek over very warm waters of the tropical Atlantic. By early next week, the west-to-northwest path of Lee could change to a northerly direction which would reduce the chances of a direct impact on the US east coast. However, two systems that will likely dictate the ultimate storm track of Lee are many days away from even forming. They include an upper-level trough that may form over the Ohio valley/eastern US and upper-level ridge that may intensify over southeastern Canada/NW Atlantic. It is simply too early to say how this upper air pattern will unfold; therefore, too early to say if Lee can indeed directly impact the US east coast.
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A cold front across the Great Lakes will drop to the south and east later today and bring us the chance of PM showers and thunderstorms. This system will tend to stall out in the general vicinity for a couple of days and that’ll keep it unsettled around here through Thursday evening with a continuing risk of showers and thunderstorms. By the end of the week, the front will likely pass through the area paving the way for some decent weather on Friday and this weekend.
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A tropical wave that pushed off of Africa’s west coast several days ago has officially become tropical depression #13 in the Atlantic Ocean. This system is likely to reach named tropical storm status within 24 hours or so (will be named Lee) and very well could intensify to “major” hurricane status by the upcoming weekend. The overall environment will become increasingly conducive for intensification of the soon-to-be named tropical system in coming days as it continues on a long track across the Atlantic Ocean. Wind shear will relax as an upper-level ridge builds nearby and it’ll move over very warm waters to the east of the Lesser Antilles. Looking ahead, it appears this system may push to the northeast of the Lesser Antilles - avoiding the Caribbean Sea - and then head on a course towards the US east coast as a “major” hurricane. Whether or not this developing tropical storm ever reaches the US east coast is simply too early to call.
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Strong high pressure continues to dominate the scene in the eastern part of the nation and it stays very warm around here with highs at 90+ degrees into mid-week. While today is likely to be rain-free, there will be the threat of showers and thunderstorms on both Wednesday and Thursday.
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There is a threat for a shower or thunderstorm today, but the weekend and the first half of next week look rain-free and increasingly warm in the Tennessee Valley. Temperatures today should peak in the low-to-mid 80’s and then climb to the 90 degree mark from Sunday through Wednesday of next week.
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Drier air pushed into the region on Wednesday thanks in part to the remnants of Hurricane Idalia moving well to the east of here and it’ll stay comfortable today as well. In fact, while a shower or thunderstorm cannot be ruled out on Friday, the stretch of weather from today into early next week looks generally rain-free and comfortably warm for the beginning of September.
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Hurricane Idalia makes landfall this morning as a “major” along Florida’s Gulf coast and will push to the northeast over the next 24-36 hours likely reaching the Carolina coastline by early Thursday. High pressure to our northwest will build into the Northeast US in this same 24-36 hour time period halting any northward advance of Idalia past the state of North Carolina. This same high pressure system will combine with the tropical cyclone to our east to push drier air into the Tennessee Valley featuring comfortable temperatures as we wind down the month of August.
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