Tropical Wave in the West-Central Caribbean (Is Invest 91L)

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cheezyWXguy
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Re: Possible development in Western Caribbean

#41 Postby cheezyWXguy » Mon Sep 28, 2020 12:03 am

Lol up to Brownsville and then darts east by hour 348. We may not even get a landfall in the 16 day period. Think it’s safe to throw this one out
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Re: Possible development in Western Caribbean

#42 Postby Hurricaneman » Mon Sep 28, 2020 12:07 am

cheezyWXguy wrote:Lol up to Brownsville and then darts east by hour 348. We may not even get a landfall in the 16 day period. Think it’s safe to throw this one out

If Mitch didnt happen in 1998 I'd agree with you but there is a small chance this pulls such a track but have to think its causing too much interaction with the wave behind it
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Re: Possible development in Western Caribbean

#43 Postby Hurricaneman » Mon Sep 28, 2020 12:13 am

The Euro Ensembles and Operational seems to be more in line with what is going on with this rather than the GFS and its weird track
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Re: Possible development in Western Caribbean

#44 Postby cheezyWXguy » Mon Sep 28, 2020 12:16 am

Hurricaneman wrote:
cheezyWXguy wrote:Lol up to Brownsville and then darts east by hour 348. We may not even get a landfall in the 16 day period. Think it’s safe to throw this one out

If Mitch didnt happen in 1998 I'd agree with you but there is a small chance this pulls such a track but have to think its causing too much interaction with the wave behind it

The reason I think it’s bunk is because of the steering mechanism. Mitch was pushed south by a developing ridge, while this storm’s erratic movement is caused by a fujiwara interaction with the system behind it, which moves unreasonably fast through the Caribbean, in my opinion.
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Re: Possible development in Western Caribbean

#45 Postby Hurricaneman » Mon Sep 28, 2020 12:19 am

The GFS ensembles are centering on the NW Caribbean at hr 216, I'm not sure if its this system or the one behind
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Re: Possible development in Western Caribbean

#46 Postby AJC3 » Mon Sep 28, 2020 12:55 am

Hurricaneman wrote:The GFS ensembles are centering on the NW Caribbean at hr 216, I'm not sure if its this system or the one behind


If you follow the H85 streamline/vort fields over the next week, you can see that the cyclogenesis is a combination of large scale mass convergence associated with two features:

1) NW-N flow pushing southward into the western Caribbean behind a strong cold front that stalls out over the area.
2) The eastern Caribbean tropical wave approaching from the east

As you mentioned, there may even be a third wave coming into the western Caribbean from the east around day 8-9, provided the system is still hanging around in the area by then. And as is usually the case, given the pattern and time frame, op-model runs are pretty 'meh' to look at compared to the ensembles.
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Re: Possible development in Western Caribbean

#47 Postby GCANE » Mon Sep 28, 2020 4:26 am

Looks like tomorrow a deep wave will start to interact with the persistent surface lows that normal sit offshore of Panama and Columbia
GFS spins a warm core up a couple days later.

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Re: Possible development in Western Caribbean

#48 Postby GCANE » Mon Sep 28, 2020 4:30 am

Tons of LL TPW convergence from the typical land interaction with Nic / Hon and then with the very-strong front.

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Re: Possible development in Western Caribbean

#49 Postby GCANE » Mon Sep 28, 2020 4:36 am

The Rossby Wave associated with the strong front pulls back and falls apart once this gets in the GoM setting up a very broad Anticyclone Rossby Wave Break in the GoM for this to develop.

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Re: Possible development in Western Caribbean

#50 Postby GCANE » Mon Sep 28, 2020 4:40 am

ICON is right on the money with GFS for genesis, time and location.

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Re: Possible development in Western Caribbean

#51 Postby GCANE » Mon Sep 28, 2020 4:43 am

Appears ICON wants to take this thru the Yucatan Channel

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Re: Possible development in Western Caribbean

#52 Postby GCANE » Mon Sep 28, 2020 4:48 am

Navgem spins it up later and more north where ICON and GFS would have it then.
Very aggressive development into the east GoM.

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Re: Possible development in Western Caribbean

#53 Postby GCANE » Mon Sep 28, 2020 4:52 am

GFS-Para same as Navgem.
Takes it to Tampa Bay.

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Re: Possible development in Western Caribbean

#54 Postby tiger_deF » Mon Sep 28, 2020 5:43 am

That's some serious trofage being modeled, depending on how potential future gamma interacts with it it could either weaken from cold, dry air and lower sst interaction, or spin it up significantly through baroclinic interactions
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Re: Possible development in Western Caribbean

#55 Postby chris_fit » Mon Sep 28, 2020 6:04 am

06 GFS Is Really Odd. ENS though show the same story as previous runs.

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ENS

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Re: Possible development in Western Caribbean

#56 Postby SFLcane » Mon Sep 28, 2020 6:11 am

chris_fit wrote:06 GFS Is Really Odd. ENS though show the same story as previous runs.

https://i.imgur.com/N0d7lKn.gif


ENS

https://i.imgur.com/VjY5cdE.png


One would argue trof should recurve this NE eventually.
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Re: Possible development in Western Caribbean

#57 Postby SFLcane » Mon Sep 28, 2020 6:17 am

Can I post the Nogaps? It sure is bullish :roll:

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Re: Possible development in Western Caribbean

#58 Postby Fancy1001 » Mon Sep 28, 2020 6:23 am

SFLcane wrote:Can I post the Nogaps? It sure is bullish :roll:

https://i.postimg.cc/zv18Y8n6/2-DEA3951-E9-F9-444-A-A781-E1-B59890-AA33.jpg

Whats the strength?
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Re: Possible development in Western Caribbean

#59 Postby SFLcane » Mon Sep 28, 2020 6:36 am

Fancy1001 wrote:
SFLcane wrote:Can I post the Nogaps? It sure is bullish :roll:

https://i.postimg.cc/zv18Y8n6/2-DEA3951-E9-F9-444-A-A781-E1-B59890-AA33.jpg

Whats the strength?


A major hurricane.

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Re: Possible development in Western Caribbean

#60 Postby Fancy1001 » Mon Sep 28, 2020 6:40 am

SFLcane wrote:
Fancy1001 wrote:
SFLcane wrote:Can I post the Nogaps? It sure is bullish :roll:

https://i.postimg.cc/zv18Y8n6/2-DEA3951-E9-F9-444-A-A781-E1-B59890-AA33.jpg

Whats the strength?


A major hurricane.

https://i.postimg.cc/Hstc3s5r/45878426-4-A29-4128-B199-7520-FFDE95-FB.jpg



Looks like I might get to fill out another space on my 2020 bingo card within the next few weeks at this rate. CAT 4 or 5 hurricane into either tampa or miami.
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