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Once inland later this week, Helene will be pulled the northwest, rotating around an upper low over Arkansas. This is known as the "Fujiwhara effect", which is pretty unusual at this latitude. The tropical system and the upper low will basically rotate around each other.

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James Spann

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318,293 görüntüleme • 1 yıl önce •via X (Twitter)

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An upper level low is forecast to develop near Cuba this weekend. The lurking low is expected to bring a surge of tropical moisture and higher rain chances to Florida through early next week.#flwx
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Here’s a look at the steering for next week for the (potential) dueling tropical cyclones. The very unusual Sept pattern continues with another deep trough digging into the east, likely deflecting the systems offshore. The caveat is the upper low “cuts off” from the jet stream and some solutions retrograde (move it backwards) the upper low. If that occurs, the coastal cyclones makes a closer pass, perhaps too close for comfort. Too early for details as this is an extremely complex forecast, with all 3 systems doing a delicate dance with each other. Stay tuned!! #hurricane
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Here’s a look at the steering for next week for the (potential) dueling tropical cyclones. The very unusual Sept pattern continues with another deep trough digging into the east, likely deflecting the systems offshore. The caveat is the upper low “cuts off” from the jet stream and some solutions retrograde (move it backwards) the upper low. If that occurs, the coastal cyclones makes a closer pass, perhaps too close for comfort. Too early for details as this is an extremely complex forecast, with all 3 systems doing a delicate dance with each other. Stay tuned!! #hurricane

Jeff Berardelli

65,280 görüntüleme • 10 ay önce

HELENE will be a MAJOR impact well inland. Georgia, the western Carolina's, Tennessee and Kentucky! This is actually a rare meteorological setup for this side of the world. This is called the "Fujiwara Effect" -- notice how major hurricane Helene gets boomeranged NW and around a low pressure aloft over west TN. Think like two planets orbiting each other than consolidating into one. This complicated, and uncommon meteorological process will help keep the forward speed of the remnants very high. Destructive wind gusts throughout central Georgia, Atlanta area and east TN. This won't be like Ike remnants in 2008 in TN/KY but I think will surprise many with the inland wind gusts Friday well inland. I could see 50-60 MPH gusts all the way to the Ohio River solely due to this complex meteorological phasing. Most times, a hurricane this time of the year goes NE, not hooks a hard NW (left) turn when inland. Really, a rare occurrence.
0:14

HELENE will be a MAJOR impact well inland. Georgia, the western Carolina's, Tennessee and Kentucky! This is actually a rare meteorological setup for this side of the world. This is called the "Fujiwara Effect" -- notice how major hurricane Helene gets boomeranged NW and around a low pressure aloft over west TN. Think like two planets orbiting each other than consolidating into one. This complicated, and uncommon meteorological process will help keep the forward speed of the remnants very high. Destructive wind gusts throughout central Georgia, Atlanta area and east TN. This won't be like Ike remnants in 2008 in TN/KY but I think will surprise many with the inland wind gusts Friday well inland. I could see 50-60 MPH gusts all the way to the Ohio River solely due to this complex meteorological phasing. Most times, a hurricane this time of the year goes NE, not hooks a hard NW (left) turn when inland. Really, a rare occurrence.

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This is arguably one of the most complex steering scenarios in recent memory!! Two hurricanes(?), a stalled cut-off upper low, and a deep Greenland cold pool diving south. How all these factors interact with each other is driving the models (and meteorologists lol) up the wall!! Will soon to be #Imelda be pulled into the Carolina coast by the cut-off low as many solutions show? Or will #Hurricane #Humberto drag Imelda gradually out to sea, as Humberto gets dragged north by the large Greenland jet stream trough? Only time will tell, but folks from FL’s northeast coast to the Carolina’s especially should stay weather aware. More obviously Imelda will impact the Bahamas this weekend-early next week and Bermuda needs to watch #Humberto. In all this, a #Fujiwhara pivot is possible! WFLA NEWS
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This is arguably one of the most complex steering scenarios in recent memory!! Two hurricanes(?), a stalled cut-off upper low, and a deep Greenland cold pool diving south. How all these factors interact with each other is driving the models (and meteorologists lol) up the wall!! Will soon to be #Imelda be pulled into the Carolina coast by the cut-off low as many solutions show? Or will #Hurricane #Humberto drag Imelda gradually out to sea, as Humberto gets dragged north by the large Greenland jet stream trough? Only time will tell, but folks from FL’s northeast coast to the Carolina’s especially should stay weather aware. More obviously Imelda will impact the Bahamas this weekend-early next week and Bermuda needs to watch #Humberto. In all this, a #Fujiwhara pivot is possible! WFLA NEWS

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Hurricane Gabrielle will track across the Atlantic this week, becoming an Ex-tropical system before reaching western Europe 🌀 This system could influence the weather fronts we see going into the weekend, but the low itself is likely to fizzle out in the Bay of Biscay
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