ATL: FRANKLIN - Remnants - Discussion

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GCANE
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Re: ATL: INVEST 90L - Discussion

#161 Postby GCANE » Sat Aug 05, 2017 7:08 am

Just checked AMSU.
At 00Z they have a 1C Warm Core.
Pretty tight too.
That may nail it.

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Re: ATL: INVEST 90L - Discussion

#162 Postby SFLcane » Sat Aug 05, 2017 7:13 am

"THIS " is a developing cyclone.. some banding features already.
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Re: ATL: INVEST 90L - Discussion

#163 Postby tailgater » Sat Aug 05, 2017 7:21 am

First visible images showing very little at the surface but conditions sure seem to be improving . As CGane said some prolong heavy convection even it is from the shear would increase it's chances , also seem a little farther north of what I expected
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Re: ATL: INVEST 90L - Discussion

#164 Postby stormlover2013 » Sat Aug 05, 2017 7:26 am

Prob just a tease
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Re: ATL: INVEST 90L - Discussion

#165 Postby GCANE » Sat Aug 05, 2017 7:43 am

tailgater wrote:First visible images showing very little at the surface but conditions sure seem to be improving . As CGane said some prolong heavy convection even it is from the shear would increase it's chances , also seem a little farther north of what I expected


Its a pretty complex system
Northern part is likely a shear-driven MCS.
Can even see an outflow boundary shooting out, marked by red arrow.
The southern part does have a warm core.
1C at this latitude may not kick in a lot of Coriolis force to start to spin it from the updraft.
I think if we get a hot tower around the blue circled area, that could heat up the core and get it to spin up.
Also, moving more north with persistant convection would increase its odds as well.

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Re: ATL: INVEST 90L - Discussion

#166 Postby GCANE » Sat Aug 05, 2017 8:04 am

New cell circled in blue.
A lot closer to the red x.
Anything that fires NW to W of the red-x xould likely pull the cork.

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Re: ATL: INVEST 90L - Discussion

#167 Postby GCANE » Sat Aug 05, 2017 8:10 am

Looking on Visible SAT; that blue circled cell was definetly a short-duration hot tower. Its leaving behind a cirrus top.
Judging by how the convection is walking CCW around the red-X, very likely there is a surface low.
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Re: ATL: INVEST 90L - Discussion

#168 Postby stormlover2013 » Sat Aug 05, 2017 8:16 am

Gcane: so do u think we have something brewing ??
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Re: ATL: INVEST 90L - Discussion

#169 Postby tropicwatch » Sat Aug 05, 2017 8:18 am

Latest Windsat. Some what discombobulated 8-)

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Re: ATL: INVEST 90L - Discussion

#170 Postby GCANE » Sat Aug 05, 2017 8:23 am

stormlover2013 wrote:Gcane: so do u think we have something brewing ??


Looks pretty good
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Re: ATL: INVEST 90L - Discussion

#171 Postby wxman57 » Sat Aug 05, 2017 8:31 am

Very impressive this morning. I still think it has a much better chance of developing in the next 5 days than 99L. May be a TS before it reaches the Yucatan if this keeps up.
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Re: ATL: INVEST 90L - Discussion

#172 Postby tailgater » Sat Aug 05, 2017 8:32 am

panamatropicwatch wrote:Latest Windsat. Some what discombobulated 8-)

Image


Great pic of the forces at work here, Shear blowing the tops off, easterly trades, low level inflow, and the semi permanent low near Panama.
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Re: ATL: INVEST 90L - Discussion

#173 Postby South Texas Storms » Sat Aug 05, 2017 8:34 am

wxman57 wrote:Very impressive this morning. I still think it has a much better chance of developing in the next 5 days than 99L. May be a TS before it reaches the Yucatan if this keeps up.


Yep, and if it does become a TS before reaching to Yucatan, it will probably track a bit farther north and closer to Texas.
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Re: ATL: INVEST 90L - Discussion

#174 Postby stormlover2013 » Sat Aug 05, 2017 8:35 am

Yeah by looking at the ridge it could get to corpus
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Re: ATL: INVEST 90L - Discussion

#175 Postby Alyono » Sat Aug 05, 2017 8:42 am

South Texas Storms wrote:
wxman57 wrote:Very impressive this morning. I still think it has a much better chance of developing in the next 5 days than 99L. May be a TS before it reaches the Yucatan if this keeps up.


Yep, and if it does become a TS before reaching to Yucatan, it will probably track a bit farther north and closer to Texas.


the models that develop this before reaching the Yucatan have it remaining in the BOC. They indicate a hard left turn
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Re: ATL: INVEST 90L - Discussion

#176 Postby cycloneye » Sat Aug 05, 2017 8:44 am

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Re: ATL: INVEST 90L - Discussion

#177 Postby NDG » Sat Aug 05, 2017 8:44 am

All I am seeing is all kind of outflows coming out of the deep convection, surface trough is west of all of the convection.
The area to watch is the south central Caribbean tomorrow.
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Re: ATL: INVEST 90L - Discussion

#178 Postby South Texas Storms » Sat Aug 05, 2017 8:48 am

Alyono wrote:
South Texas Storms wrote:
wxman57 wrote:Very impressive this morning. I still think it has a much better chance of developing in the next 5 days than 99L. May be a TS before it reaches the Yucatan if this keeps up.


Yep, and if it does become a TS before reaching to Yucatan, it will probably track a bit farther north and closer to Texas.


the models that develop this before reaching the Yucatan have it remaining in the BOC. They indicate a hard left turn


Yeah but it also seems like the models are initializing the vorticity south of where the system is beginning to develop.
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Re: ATL: INVEST 90L - Discussion

#179 Postby srainhoutx » Sat Aug 05, 2017 8:56 am

I am seeing more individual Ensemble members of the 51 ECMWF EPS individual members creeping further North each successive run with several members as far North as Brownsville to just S of Corpus Christi. TC Genesis Probabilities increased a bit in the NW Caribbean and the Bay of Campeche. The MJO Filtered Velocity Potential has also increased. I believe we will have TS Franklin before crossing the Yucatan Peninsula.
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Re: ATL: INVEST 90L - Discussion

#180 Postby stormlover2013 » Sat Aug 05, 2017 8:57 am

If that happens I believe this could crawl up towards corpus
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