Low Pressure in the Central Atlantic (Is Invest 91L)

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Re: Low Pressure in the Central Atlantic

#521 Postby Blown Away » Sat Aug 27, 2022 5:59 pm

Image

MH getting yanked from Bahamas latitude to the NE and then ENE under @30N in Aug/Sept. Obviously it can happen, just usually not during Aug early Sept. JMHO
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Re: Low Pressure in the Central Atlantic

#522 Postby SFLcane » Sat Aug 27, 2022 6:17 pm

Real curious to see what the ecmwf does tonight.
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Re: Low Pressure in the Central Atlantic

#523 Postby cycloneye » Sat Aug 27, 2022 6:39 pm

20/50.

Shower activity associated with an elongated area of low pressure
over the central tropical Atlantic Ocean has become a little better
organized since yesterday. Environmental conditions are forecast to
be generally favorable for additional gradual development over the
next several days, and a tropical depression could form by the
middle of next week as it moves west-northwestward at 10 to 15 mph
toward the waters east of the Leeward Islands.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 5 days...medium...50 percent
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Re: Low Pressure in the Central Atlantic

#524 Postby ouragans » Sat Aug 27, 2022 6:40 pm

cycloneye wrote:20/50.

Shower activity associated with an elongated area of low pressure
over the central tropical Atlantic Ocean has become a little better
organized since yesterday. Environmental conditions are forecast to
be generally favorable for additional gradual development over the
next several days, and a tropical depression could form by the
middle of next week as it moves west-northwestward at 10 to 15 mph
toward the waters east of the Leeward Islands.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 5 days...medium...50 percent

It should be an invest soon
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Re: Low Pressure in the Central Atlantic

#525 Postby SouthFLTropics » Sat Aug 27, 2022 6:44 pm

SFLcane wrote:Real curious to see what the ecmwf does tonight.


Based on what we are seeing from the 12z run as well as the ensembles, I'd guess that it will show another recurve. With that said, I think it is a close call between getting trapped and getting lifted out. Definitely by no means written in stone. How often have we seen 216 and 240 hour forecasts pan out exactly as it is shows. Rarely, if ever. I don't feel very comfortable with it that close on a 9 and 10 day forecast. I'd rather have it showing a direct hit because it is more likely than not going to change. Forecasting a hit or miss at 9 or 10 days is fools gold and strictly for entertainment only. If the trend continues and we see that at 5 days out, then that is something more reliable.
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Re: Low Pressure in the Central Atlantic

#526 Postby otowntiger » Sat Aug 27, 2022 6:46 pm

SFLcane wrote:Real curious to see what the ecmwf does tonight.

Not sure why it wouldn’t still show a sharp recurve.
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Re: Low Pressure in the Central Atlantic

#527 Postby SFLcane » Sat Aug 27, 2022 6:49 pm

otowntiger wrote:
SFLcane wrote:Real curious to see what the ecmwf does tonight.

Not sure why it wouldn’t still show a sharp recurve.


Well it’s 8-9 days out from conus so lots can and will change. For all we know this could recurve before 70w and bother no one.
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Re: Low Pressure in the Central Atlantic: 8 PM TWO=20/50

#528 Postby InfernoFlameCat » Sat Aug 27, 2022 6:54 pm

8 days ago and this system was just beginning to be hinted at. 10 days ago the Atlantic was dead, or so some thought. Ten days from now? No clue. But this is the first potential powerhouse. Also, convection is forming near the center of the system. It is more organized than any convection from this area yet. We will see what it does.
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Re: Low Pressure in the Central Atlantic: 8 PM TWO=20/50

#529 Postby Kingarabian » Sat Aug 27, 2022 6:54 pm

Can't trust modeled steering 4 days out much less 10 days. We won't know where it's going for sure until about late next week.
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Re: Low Pressure in the Central Atlantic: 8 PM TWO=20/50

#530 Postby Iceresistance » Sat Aug 27, 2022 7:00 pm

Joe B is thinking that this would be a Bahamas and SE USA threat. (#4)

 https://twitter.com/BigJoeBastardi/status/1563543897800085504


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Re: Low Pressure in the Central Atlantic: 8 PM TWO=20/50

#531 Postby Nimbus » Sat Aug 27, 2022 7:07 pm

Iceresistance wrote:Joe B is thinking that this would be a Bahamas and SE USA threat. (#4)

https://twitter.com/BigJoeBastardi/status/1563543897800085504?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Etweet


Which is probably why the NHC is holding off on declaring an invest until some of the randomness works itself out of the models. North of the islands with only a *potential* trough preventing a major landfall disaster they can't waffle around and entertain all the conflicting 5 and 10% scenarios. Probably a trough.
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Re: Low Pressure in the Central Atlantic: 8 PM TWO=20/50

#532 Postby AutoPenalti » Sat Aug 27, 2022 7:34 pm

Coming back to reality and realizing all models showed a recurve including the Euro during the Irma period, at around this longitude as well.
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Re: Low Pressure in the Central Atlantic: 8 PM TWO=20/50

#533 Postby Blown Away » Sat Aug 27, 2022 7:46 pm

Image

NHC 8pm @14N/42W, little eddy spinning @10.5N/44W.

Convection has waned.
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Re: Low Pressure in the Central Atlantic: 8 PM TWO=20/50

#534 Postby SouthFLTropics » Sat Aug 27, 2022 7:48 pm

AutoPenalti wrote:Coming back to reality and realizing all models showed a recurve including the Euro during the Irma period, at around this longitude as well.


Just an example of what you just said... Euro 00z from 9/1/2017 for Irma. We all know how that turned out. This looks very familiar to what we are seeing currently.

Image
Last edited by SouthFLTropics on Sat Aug 27, 2022 7:48 pm, edited 1 time in total.
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Re: Low Pressure in the Central Atlantic: 8 PM TWO=20/50

#535 Postby SFLcane » Sat Aug 27, 2022 7:48 pm

Blown Away wrote:[url]https://i.postimg.cc/pdkwkRc9/54658299.gif [/url]

NHC 8pm @14N/42W, little eddy spinning @10.5N/44W.

Convection has waned.


Yea, right now seems to be on life support battling dry air.
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Re: Low Pressure in the Central Atlantic: 8 PM TWO=20/50

#536 Postby SFLcane » Sat Aug 27, 2022 7:49 pm

SouthFLTropics wrote:
AutoPenalti wrote:Coming back to reality and realizing all models showed a recurve including the Euro during the Irma period, at around this longitude as well.


Just an example of what you just said... Euro 00z from 9/1/2017 for Irma. We all know how that turned out.

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


This! Absolutely remember this and this is prime time for something like that to happen. Not saying it will.
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Re: Low Pressure in the Central Atlantic: 8 PM TWO=20/50

#537 Postby Iceresistance » Sat Aug 27, 2022 7:50 pm

SFLcane wrote:
Blown Away wrote:[url]https://i.postimg.cc/pdkwkRc9/54658299.gif [/url]

NHC 8pm @14N/42W, little eddy spinning @10.5N/44W.

Convection has waned.


Yea, right now seems to be on life support battling dry air.

The SAL has gotten into it.
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Re: Low Pressure in the Central Atlantic: 8 PM TWO=20/50 (Is Invest 91L)

#538 Postby cycloneye » Sat Aug 27, 2022 7:51 pm

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