Tropical Wave SW of the Cabo Verde Islands (Is Invest 90L)

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Hypercane_Kyle
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#21 Postby Hypercane_Kyle » Sun Sep 17, 2023 9:32 am

That SW bend in the track the GFS takes this one is a little suspicious. I'd watch out for this one being weaker in the short term than maybe currently expected, especially considering Lee's surprising struggles after its RI episode.
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#22 Postby MetroMike » Sun Sep 17, 2023 9:51 am

Hypercane_Kyle wrote:That SW bend in the track the GFS takes this one is a little suspicious. I'd watch out for this one being weaker in the short term than maybe currently expected, especially considering Lee's surprising struggles after its RI episode.



With that in mind the trend this season is for MDR systems to go OTS. Once models show that it seems fairly clear that
Even low lat storms will be sucked up poleward. Not much drama to be had here unfortunately as the trend seems atm.
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#23 Postby cycloneye » Sun Sep 17, 2023 12:55 pm

2 PM TWO:

Eastern Tropical Atlantic:
A tropical wave is forecast to move off the west coast of Africa by
Wednesday. Gradual development of the wave will be possible
thereafter and a tropical depression could form late this week or
next weekend while the system moves westward across the eastern
tropical Atlantic.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...medium...40 percent.
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#24 Postby cycloneye » Sun Sep 17, 2023 1:27 pm

Wave is at Nigeria.

Image
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#25 Postby mantis83 » Sun Sep 17, 2023 2:06 pm

MetroMike wrote:
Hypercane_Kyle wrote:That SW bend in the track the GFS takes this one is a little suspicious. I'd watch out for this one being weaker in the short term than maybe currently expected, especially considering Lee's surprising struggles after its RI episode.



With that in mind the trend this season is for MDR systems to go OTS. Once models show that it seems fairly clear that
Even low lat storms will be sucked up poleward. Not much drama to be had here unfortunately as the trend seems atm.

latest 12z euro takes this safely out to sea, as it goes well northeast of the islands
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#26 Postby MEANINGLESS_NUMBERS » Sun Sep 17, 2023 3:10 pm

mantis83 wrote:
MetroMike wrote:
Hypercane_Kyle wrote:That SW bend in the track the GFS takes this one is a little suspicious. I'd watch out for this one being weaker in the short term than maybe currently expected, especially considering Lee's surprising struggles after its RI episode.



With that in mind the trend this season is for MDR systems to go OTS. Once models show that it seems fairly clear that
Even low lat storms will be sucked up poleward. Not much drama to be had here unfortunately as the trend seems atm.

latest 12z euro takes this safely out to sea, as it goes well northeast of the islands


No one in Bermuda would call that "safely out to sea"
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#27 Postby cycloneye » Sun Sep 17, 2023 3:38 pm

The recurving pattern looks to continue.

 https://twitter.com/dmorris9661/status/1703507256891912229


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Re: Tropical Wave to emerge from West Africa around the middle of next week

#28 Postby cycloneye » Sun Sep 17, 2023 6:42 pm

8 PM up to 50%.

Eastern Tropical Atlantic:
A tropical wave is forecast to move off the west coast of Africa by
Wednesday. Environmental conditions are forecast to be conducive
for gradual development of the wave thereafter, and a tropical
depression could form late this week or next weekend while the
system moves westward across the eastern and central tropical
Atlantic.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...medium...50 percent.
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#29 Postby Teban54 » Sun Sep 17, 2023 8:23 pm

cycloneye wrote:Wave is at Nigeria.

https://i.imgur.com/ScLa7gT.gif

Already showing mid-level spin :double:
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#30 Postby cycloneye » Mon Sep 18, 2023 5:16 am

For the record the 2 AM TWO with code red.

Eastern Tropical Atlantic:
A tropical wave is forecast to move off the west coast of Africa by
Wednesday. Environmental conditions are forecast to be conducive
for gradual development of the wave thereafter, and a tropical
depression is likely to form late this week or this weekend while
the system moves westward across the eastern and central tropical
Atlantic.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...high...70 percent.
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#31 Postby cycloneye » Mon Sep 18, 2023 8:58 am

8 AM:

Eastern Tropical Atlantic:
A tropical wave is expected to move off the west coast of Africa by
Wednesday. Environmental conditions are forecast to be conducive
for gradual development of the wave thereafter, and a tropical
depression is likely to form late this week or this weekend while
the system moves westward across the eastern and central tropical
Atlantic.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...high...70 percent.
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#32 Postby Sciencerocks » Mon Sep 18, 2023 12:05 pm

Image
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#33 Postby cycloneye » Mon Sep 18, 2023 1:03 pm

2 PM:

Eastern Tropical Atlantic:
A tropical wave is expected to move off the west coast of Africa by
Wednesday. Environmental conditions are forecast to be conducive
for gradual development of the wave thereafter, and a tropical
depression is likely to form late this week or this weekend while
the system moves westward across the eastern and central tropical
Atlantic.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...high...70 percent.
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#34 Postby aspen » Mon Sep 18, 2023 1:47 pm

Looks like this should stay pretty weak until it gets into the central MDR. The longer this takes to develop, the further west it’ll go. Odds are it’ll be another OTS system and recurve closer to where Nigel is than Margot.
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#35 Postby cycloneye » Mon Sep 18, 2023 2:19 pm

12z Euro with same track that took Nigel.

Image
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#36 Postby Yellow Evan » Mon Sep 18, 2023 3:06 pm

Not sure why the ECMWF has this intensifying in >20 knots of shear at the end of the run.
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#37 Postby WiscoWx02 » Mon Sep 18, 2023 3:37 pm

Model support is really dropping off with this one. Personally no longer expecting much of anything, getting to be about that time where shear starts becoming more of an issue again.
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#38 Postby WalterWhite » Mon Sep 18, 2023 4:20 pm

WiscoWx02 wrote:Model support is really dropping off with this one. Personally no longer expecting much of anything, getting to be about that time where shear starts becoming more of an issue again.

The GFS has been pretty bad with genesis this year. The ECMWF, CMC, and ICON still support the development of this system.
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Re: Tropical Wave to emerge from West Africa around the middle of next week

#39 Postby floridasun » Mon Sep 18, 2023 5:33 pm

Hurricanetrack mark elnino cause weakness in Bermuda high pressure that causing hurricane move out to sea or by Bermuda we may keep having those ots hurr for Cape verb season
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Re: Tropical Wave to emerge from West Africa on Wednesday

#40 Postby cycloneye » Mon Sep 18, 2023 6:44 pm

8 PM:

Eastern Tropical Atlantic:
A tropical wave is expected to move off the west coast of Africa by
Wednesday. Environmental conditions are forecast to be conducive
for gradual development of the wave thereafter, and a tropical
depression is likely to form late this week or this weekend while
the system moves westward across the eastern and central tropical
Atlantic.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...high...70 percent.
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