ATL: ISAIAS - Post-Tropical - Discussion

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GCANE
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1441 Postby GCANE » Wed Jul 29, 2020 1:20 pm

Classic sign of shear-induced convection with no infeed underneath it - it washes out quickly.
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1442 Postby ConvergenceZone » Wed Jul 29, 2020 1:25 pm

As the Met was saying, this only has a few more hours regarding the chance to develop, if not, then it’s toast, and time to move on to the next area
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1443 Postby xironman » Wed Jul 29, 2020 1:26 pm

GCANE wrote:Classic sign of shear-induced convection with no infeed underneath it - it washes out quickly.


there is convergence

Image
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1444 Postby Nimbus » Wed Jul 29, 2020 1:26 pm



Center closing off right near NHC coordinates and latest convective burst.
So does it move NW and "jump" Hispaniola on the east end like latest Euro run seems to suggest?
Realistically its going to need at least overnight to consolidate and nothing low level could survive TS velocity shear north of the big islands..
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1445 Postby MississippiWx » Wed Jul 29, 2020 1:27 pm

This looks more and more like a tropical cyclone by each frame. Euro consolidates the area we’ve been looking at this afternoon at ~16N.
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1446 Postby gatorcane » Wed Jul 29, 2020 1:28 pm

Looking at the sat loops, looks to be organizing to me with convection blowing up and more rotation that looks circular instead of oblong. Think we are getting close to 92l getting a name. Here we go folks:

https://www.tropicaltidbits.com/sat/sat ... t=vis-swir
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1447 Postby Kazmit » Wed Jul 29, 2020 1:29 pm

Euro's solution is making me wonder if this will brush the northern coast of Hispaniola instead of running right through it, sort of like Hurricane Douglas with Hawaii. Of course, Douglas had a well defined center so I'm sure the mechanics are different.
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1448 Postby CM2 » Wed Jul 29, 2020 1:30 pm

Stupid and dangerous post
Last edited by CM2 on Wed Jul 29, 2020 1:47 pm, edited 1 time in total.
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1449 Postby Evil Jeremy » Wed Jul 29, 2020 1:38 pm

My guess, the 5pm NHC cone will be right down the spine of Florida for days 4 and 5. Let's see if the East shifts hold through the 18z cycle. It's not a solid trend, yet.

Anyone know if we are still getting that G-IV flight today?
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1451 Postby CM2 » Wed Jul 29, 2020 1:48 pm

So in the meanwhile... I believe we have our core. It's where we've been saying it was AND THE RECON REFUSES TO GO
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1452 Postby floridasun78 » Wed Jul 29, 2020 1:51 pm

CM2 wrote:So in the meanwhile... I believe we have our core. It's where we've been saying it was AND THE RECON REFUSES TO GO
https://imgur.com/x1MuI9A

their maybe reason their not checking that area not because dont want go that area nhc telling them what to check remember their need save on gas too
Last edited by floridasun78 on Wed Jul 29, 2020 1:53 pm, edited 1 time in total.
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1453 Postby caneseddy » Wed Jul 29, 2020 1:51 pm

Evil Jeremy wrote:My guess, the 5pm NHC cone will be right down the spine of Florida for days 4 and 5. Let's see if the East shifts hold through the 18z cycle. It's not a solid trend, yet.

Anyone know if we are still getting that G-IV flight today?


Agree with you. One run does not make a trend. For all we know all the runs will shift back west to over Florida or to the Gulf
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1454 Postby gatorcane » Wed Jul 29, 2020 1:55 pm

Look at the size of this 850MB vorticity!?! :eek:

Image
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1455 Postby EquusStorm » Wed Jul 29, 2020 1:57 pm

So it's either on the verge of starting to degenerate or rapidly organizing/about to become a tropical storm, and it's headed for ???

Yeah I think I'm fine not being a forecaster right now
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1456 Postby northjaxpro » Wed Jul 29, 2020 1:58 pm

I have been extremely busy today, but had a moment to chime in on here with a thought or two. Let us remember, we still do not officially have an established center of circulation YET.

I am not going to be comfortable with any of the models until we have this CoC finally nailed down.

Plus I will wait until whatever becomes of this to see if it can survive the Hispaniola hurdle to see how it all evolves.
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1457 Postby SFLcane » Wed Jul 29, 2020 2:00 pm

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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1458 Postby Aric Dunn » Wed Jul 29, 2020 2:01 pm

That curved band of deepening convection on the WEST and SW/ S sides is very interesting..
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1459 Postby Hammy » Wed Jul 29, 2020 2:03 pm

This has been closed off for about the last 12 hours and is already a tropical storm if the plane would actually fly around 13-14N, that's where the west winds are--ASCAT even confirms this. Not sure why they're waiting for a low to form in the northern portion when there's already one to the south.

Image
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Re: ATL: NINE - Potential Tropical Cyclone - Discussion

#1460 Postby northjaxpro » Wed Jul 29, 2020 2:07 pm

Aric Dunn wrote:That curved band of deepening convection on the WEST and SW/ S sides is very interesting..


I thought and posted earlier this morning and I have and still believe that the center of circulation is on the southwestern side or very near there of the convective mass.

I think when Recon FINALLY closes this thing off, I feel it will be a tad SSW of where they think it is currently.

I tell you one thing, this thing is giving me a major headache. I am growing a bit weary with this waiting game for sure... :double:
Last edited by northjaxpro on Wed Jul 29, 2020 2:12 pm, edited 4 times in total.
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