ATL: GERT - Post-Tropical - Discussion

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northjaxpro
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Re: ATL: INVEST 99L - Models

#241 Postby northjaxpro » Thu Aug 03, 2017 9:33 pm

I am not questioning the potential interaction with Hispaniola. The overall compilation of runs shown above mainly west movement component turning w-nw at or just beyond he longitude I specified earler.
Last edited by northjaxpro on Thu Aug 03, 2017 9:35 pm, edited 1 time in total.
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Re: ATL: INVEST 99L - Discussion

#242 Postby Hypercane_Kyle » Thu Aug 03, 2017 9:33 pm

txwatcher91 wrote:
northjaxpro wrote::I believe this new 1008 mb vortex may take over as the main primary one eventually.


Interesting, as I believe the GFS was showing this happening early today, maybe it wasn’t so far off after all.


Yes, the 12z and 18z GFS were showing the wave out front of 99L becoming dominant. HWRF also appears to show it as well.
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Re: ATL: INVEST 99L - Models

#243 Postby floridasun78 » Thu Aug 03, 2017 9:34 pm

right now tooo far to know what will by next thur i remeber other system in path showing death wise on Florida and show moving out to sea or more north of florida
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Re: ATL: INVEST 99L - Discussion

#244 Postby Hammy » Thu Aug 03, 2017 9:34 pm

txwatcher91 wrote:
northjaxpro wrote::I believe this new 1008 mb vortex may take over as the main primary one eventually.


Interesting, as I believe the GFS was showing this happening early today, maybe it wasn’t so far off after all.


That would be the western convection?
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Re: ATL: INVEST 99L - Models

#245 Postby northjaxpro » Thu Aug 03, 2017 9:36 pm

I am not saying that is what is going to happen. Just what the current set of runs above are showing for now. There will be many changes to these runs going forward.
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Re: ATL: INVEST 99L - Discussion

#246 Postby Alyono » Thu Aug 03, 2017 9:38 pm

looks to have a LONG ways to go to organize. European solution most reasonable at this time as conditions will likely become less favorable as this approaches the Caribbean
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Re: ATL: INVEST 99L - Models

#247 Postby Miami Storm Tracker » Thu Aug 03, 2017 9:43 pm

Evening,

I always enjoy ur post nothernjaxpro, thank you for your input. We have a ways to go nothing as of yet has developed so we wait and see. Once something does develop the models should latch on and model watching we go,
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Re: ATL: INVEST 99L - Discussion

#248 Postby tailgater » Thu Aug 03, 2017 9:43 pm

northjaxpro wrote::I believe this new 1008 mb vortex may take over as the main primary one eventually.

I'm pretty sure that is a forecast position and strength of 99L in 24 hrs , but I'm not saying the disturbance a little farther west will not take over.
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Re: ATL: INVEST 99L - Discussion

#249 Postby cycloneye » Thu Aug 03, 2017 9:44 pm

New surface analysis at 00z has a new low around 28W and the one best track was following dissipates.

Image
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Re: ATL: INVEST 99L - Discussion

#250 Postby AutoPenalti » Thu Aug 03, 2017 9:54 pm

cycloneye wrote:New surface analysis at 00z has a new low around 28W and the one best track was following dissipates.

Image

Any implications as to future track?
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Model Runs Cheat Sheet:
GFS (5:30 AM/PM, 11:30 AM/PM)
HWRF, GFDL, UKMET, NAVGEM (6:30-8:00 AM/PM, 12:30-2:00 AM/PM)
ECMWF (1:45 AM/PM)

TCVN
is a weighted averaged

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Re: ATL: INVEST 99L - Discussion

#251 Postby SFLcane » Thu Aug 03, 2017 9:55 pm

Alyono wrote:looks to have a LONG ways to go to organize. European solution most reasonable at this time as conditions will likely become less favorable as this approaches the Caribbean


Ok.. hold on... So your saying the NHC is wrong with giving this 80% chance of develop in 5 days? Everything other then some dry air I've seen shows favorable conditions await this wave ahead. In regards to the EURO well it's Either playing catch up or the GFS will eventually fold. Here is a tweet from Lowry earlier  https://twitter.com/michaelrlowry/status/893173124790972416


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Re: ATL: INVEST 99L - Discussion

#252 Postby Alyono » Thu Aug 03, 2017 10:01 pm

80% may be reasonable for any type of development

However, I am not convinced this makes it past moderate TS at this time. I also suspect it will weaken as it approaches the Caribbean due to the SAL unless the wave over Africa with a lot of convection can block the SAL outbreak
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Re: ATL: INVEST 99L - Discussion

#253 Postby AutoPenalti » Thu Aug 03, 2017 10:02 pm

Shear may relax but that doesnt mean dry air will.
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Model Runs Cheat Sheet:
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ECMWF (1:45 AM/PM)

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Re: ATL: INVEST 99L - Discussion

#254 Postby SFLcane » Thu Aug 03, 2017 10:03 pm

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Re: ATL: INVEST 99L - Models

#255 Postby Steve » Thu Aug 03, 2017 10:05 pm

New global models will be running within the hour. I'm sure there will be a lot of sleepless nights for people starting next week. Matthew '16 was the closest we have gotten recently to the potential 99L has.
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Re: ATL: INVEST 99L - Models

#256 Postby northjaxpro » Thu Aug 03, 2017 10:11 pm

Miami Storm Tracker wrote:Evening,

I always enjoy ur post nothernjaxpro, thank you for your input. We have a ways to go nothing as of yet has developed so we wait and see. Once something does develop the models should latch on and model watching we go,


I agree. Thanks for your kind words. I do this posting on my spare time on this site. I love coming on Storm2K, been a member since 2010. Great site for people like me and others who do this for a living and or for all weather enthusiasts from abroad.
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Re: ATL: INVEST 99L - Discussion

#257 Postby cycloneye » Thu Aug 03, 2017 10:13 pm

Looking good.

Image
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Re: ATL: INVEST 99L - Discussion

#258 Postby txwatcher91 » Thu Aug 03, 2017 10:18 pm

Hammy wrote:
txwatcher91 wrote:
northjaxpro wrote::I believe this new 1008 mb vortex may take over as the main primary one eventually.


Interesting, as I believe the GFS was showing this happening early today, maybe it wasn’t so far off after all.


That would be the western convection?


Earlier today it showed the surface low bouncing around between the eastern area, right near the African coast, and further west near where the new low is. It took about 24 to 36 hours before it began slowly consolidating around the western low. That’s what appears to be happening so far, so the GFS may be on to something.
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Re: ATL: INVEST 99L - Models

#259 Postby Miami Storm Tracker » Thu Aug 03, 2017 10:19 pm

Good to see you on Steve,

Hopefully not but yes I do remember Mathew a nail biter for us here in S. FLA.
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Re: ATL: INVEST 99L - Models

#260 Postby bamajammer4eva » Thu Aug 03, 2017 10:21 pm

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