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Cat 4 Hurricane Helene | 140mph 938mb | Landfall Big Bend/Perry


StretchCT

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Up to 120mph forecast. RI expected  no change since 8pm 

FORECAST POSITIONS AND MAX WINDS

INIT  25/0300Z 19.9N  85.5W   50 KT  60 MPH
 12H  25/1200Z 21.1N  86.3W   65 KT  75 MPH
 24H  26/0000Z 22.7N  86.4W   75 KT  85 MPH
 36H  26/1200Z 25.4N  85.5W   90 KT 105 MPH
 48H  27/0000Z 29.5N  84.2W  105 KT 120 MPH
 60H  27/1200Z 34.0N  84.5W   30 KT  35 MPH
 72H  28/0000Z 36.5N  86.5W   20 KT  25 MPH...POST-TROP/INLAND
 96H  29/0000Z 37.0N  89.0W   20 KT  25 MPH...POST-TROP/INLAND
120H  30/0000Z...DISSIPATED

$$

 

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She's definitely organizing. There is still some dry air on the south side of the center of circulation that will hopefully be the fly in the ointment and slow the bus down. Additionally, her outflow to the north and east is strong, but the west is lacking at the moment. The current wind field shows this as well. It all adds up to the fact that our storm is still lopsided. I leave with an IR image from GOES. Good night. 

Sandwich - Blend combines IR band 13 with visual band 3 - 25 Sep 2024 - 0246 UTC

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6 minutes ago, StormfanaticInd said:

Getting better organized 😬

goes16_ir_watl.gif

Outflow looks like it is becoming rather established, the shear appears to be relaxing and the trough interaction may actually be starting to assist here.

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Some chilly tops in there.

Wonder if the circulation is still a little broad.  I did see the stuff about a large storm, so that might makeb some sense at this point in the life cycle.

cira-rammb-slider---goes-16---mesoscale_01---band_13-opacity-100---20240925082925-20240925095625.thumb.gif.b3240f8dd378e4e395973d161173c3e1.gif

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If I've learned anything these past years, it's to not worry too much what it looks like at this point as far as the outcome. Rapid intensification seems pretty rapid these days, and with plenty of time over water still to go it won't take long to go all out buzzsaw mode. 

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24 minutes ago, 1816 said:

If I've learned anything these past years, it's to not worry too much what it looks like at this point as far as the outcome. Rapid intensification seems pretty rapid these days, and with plenty of time over water still to go it won't take long to go all out buzzsaw mode. 

At the heart of everything is the core. Once the coc is figured out and organized, your point is completely valid. Beryl went from TD to Cat 4 in 2 days which broke a lot of previous thinking about Atlantic hurricanes in the early season. If Beryl can do that with time and location in mind, Helene’s location would allow for it as well and maybe more as water temps are higher in the gulf than they were for Beryl. The hope is that the storm will be dogged with structural issues which continues to delay RI. 
Current obs though…As has been stated, the coc is under the higher cloud tops, and the drier air is being worked out. In the last 8 hours she’s looking even better with outflows as well. My best guess is that when she clears the Yucatán it’s off to the races, but still keeping the fingers crossed for some inhibitor to slow her down.

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5 minutes ago, Undertakerson2.0 said:

ADT pressure estimates are plummeting and T scores increasing RN. Flags are in the off position

 

It's getting ready to ruuummmmmbbblllleee!

image.thumb.png.c9f2a6e5d98212f96aa305b133fcc66a.png

Well..let’s play the limbo, how low can she go?  😀 

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BULLETIN
Tropical Storm Helene Intermediate Advisory Number 8A
NWS National Hurricane Center Miami FL       AL092024
700 AM CDT Wed Sep 25 2024

...HELENE JUST OFFSHORE THE NORTHEASTERN COAST OF THE YUCATAN 
PENINSULA, CLOSE TO HURRICANE STRENGTH...


SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...21.1N 86.2W
ABOUT 60 MI...100 KM ENE OF COZUMEL MEXICO
ABOUT 100 MI...160 KM WSW OF THE WESTERN TIP OF CUBA
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...NW OR 325 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...979 MB...28.91 INCHES
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3 minutes ago, Jon Snow said:

The conundrum of meteorology, how fascinating to watch if that were to play out, but how terrifying for anyone in its path.

We all thought that surge in ft myers was impressive, but helene might make us forget all about that. Unfortunately the storm surge from this one is going to be pretty legendary. When the ocean decides to come on to land things can get sideways quickly. Hopefully people get out of harms way but there's always some who just won't. 

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  • The title was changed to TS Helene | 70mph 979mb | strengthening

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