ATL: GONZALO - Remnants - Discussion

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BYG Jacob
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Re: ATL: INVEST 99L - Discussion

#81 Postby BYG Jacob » Tue Jul 21, 2020 5:32 am

:uarrow: That is quite the tail.
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Re: ATL: INVEST 99L - Discussion

#82 Postby Ivanhater » Tue Jul 21, 2020 5:36 am

Yes, the inflow arch to the north I mentioned last night is helping form a CDO over the LLC. I fully expect Gonzalo to be named today if trends continue Image

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Re: ATL: INVEST 99L - Discussion

#83 Postby supercane4867 » Tue Jul 21, 2020 5:40 am

Almost there.

Image
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Re: ATL: INVEST 99L - Discussion

#84 Postby hurricaneCW » Tue Jul 21, 2020 5:45 am

NHC will go code red next update as this is clearly a developing TD/TS. I'm guessing they're waiting to see if the convection holds.
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Re: ATL: INVEST 99L - Discussion

#85 Postby TallyTracker » Tue Jul 21, 2020 5:46 am

I was skeptical last night and wanted to see a little more endurance. I am on board now! This is undoubtedly a tropical depression on the cusp of becoming a tropical storm. Much better organized and 2 more days of decent conditions. Moderate to strong TS is quite plausible.
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Re: ATL: INVEST 99L - Discussion

#86 Postby HurricaneEnzo » Tue Jul 21, 2020 6:06 am

Looks like we may be green for Gonzalo. I know it needs to sustain a little longer but appears on its way to doing just that. So much for no MDR storms in July if that is the case. I know I should fully expect the season cancel posts every year if we go a couple of weeks with no activity but it is getting a bit ridiculous. The models could show zero activity for weeks and then BOOM out of nowhere they flip and now there are storms where they were once showing nothing. Bottom line is we still aren't that good at prediction of tropical formation (especially that far out).
Last edited by HurricaneEnzo on Tue Jul 21, 2020 6:08 am, edited 3 times in total.
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Re: ATL: INVEST 99L - Discussion

#87 Postby Aric Dunn » Tue Jul 21, 2020 6:07 am

Ok before I look at anything else.. someone please tell me this is at least been upgraded by the tag number ? lol
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Re: ATL: INVEST 99L - Discussion

#88 Postby USTropics » Tue Jul 21, 2020 6:08 am

Hard to argue against the continual organization seen in the past 12 hours. Low-level circulation has become less elongated and more symmetrical:

Previous:
Image

Current:
Image

Banding features on the northern flank of the system are helping stave off against SAL intrusion, and effectively a protective pouch has become nested within the wave axis. These small systems can spin up quickly (but also are susceptible to sudden changes in environmental conditions as we'll observe later this week).
Image

Most likely outcome is we see an increase to something like 60/80% by NHC, wait until next advisory to see how convection holds through the day. If the ASCAT pass in the next few hours shows a definitive surface circulation, that may force their hand though (given satellite presentation currently).
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Re: ATL: INVEST 99L - Discussion

#89 Postby SFLcane » Tue Jul 21, 2020 6:09 am

This should be upgraded today. I am impressed
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Re: ATL: INVEST 99L - Discussion

#90 Postby Aric Dunn » Tue Jul 21, 2020 6:11 am

Another thing to note is how quickly the Shear has dropped to near zero from yesterday.

and good on the CMC for being first lol
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Re: ATL: INVEST 99L - Discussion

#91 Postby Ivanhater » Tue Jul 21, 2020 6:19 am

This shows again how overall, global models have a hard time with these small systems.

Impressive things still want to develop even in a suppressed state over the basin.
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Re: ATL: INVEST 99L - Discussion

#92 Postby ScottNAtlanta » Tue Jul 21, 2020 6:24 am

First visible this morning shows some good inflow from the south and west, and the protective band on the north side.
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Re: ATL: INVEST 99L - Discussion

#93 Postby Ubuntwo » Tue Jul 21, 2020 6:26 am

Image
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Re: ATL: INVEST 99L - Discussion

#94 Postby ScottNAtlanta » Tue Jul 21, 2020 6:31 am

I've seen named storms that look worse than this. If you look at the true color, you can actually see cross equatorial flow into this

https://www.tropicaltidbits.com/sat/sat ... =truecolor
Last edited by ScottNAtlanta on Tue Jul 21, 2020 6:34 am, edited 1 time in total.
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Re: ATL: INVEST 99L - Discussion

#95 Postby Aric Dunn » Tue Jul 21, 2020 6:32 am

ColdMiser123 wrote:This is very close to being a classified system if it isn't already one at this point.

While this may get named in the short-term, the mean flow in the Caribbean is still far too strong for a circulation to survive much beyond the Lesser Antilles. During which, 99L will likely open back up into a wave.


If this is a Moderate TS it wont have any issues by the time it gets to the carrib assuming it does not run into shear.

it has already doubled in size of its overall circulation which would help it with the increase flow. also assuming it does not continue to grow. and again assuming SAL or something does not get it before the carrib.
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Re: ATL: INVEST 99L - Discussion

#96 Postby ScottNAtlanta » Tue Jul 21, 2020 6:40 am

This should be an interesting TWO at 8am
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Re: ATL: INVEST 99L - Discussion

#97 Postby Ubuntwo » Tue Jul 21, 2020 6:41 am

ScottNAtlanta wrote:This should be an interesting TWO at 8am

Probably the typical "If development trends continue" :wink:
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Re: ATL: INVEST 99L - Discussion

#98 Postby AutoPenalti » Tue Jul 21, 2020 6:42 am

The little Gonzalo that could?
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Re: ATL: INVEST 99L - Discussion

#99 Postby Aric Dunn » Tue Jul 21, 2020 6:42 am

Ubuntwo wrote:
ScottNAtlanta wrote:This should be an interesting TWO at 8am

Probably the typical "If development trends continue" :wink:


lets hope it is at least 80 percent though lol
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Re: ATL: INVEST 99L - Discussion

#100 Postby Extratropical94 » Tue Jul 21, 2020 6:42 am

If it keeps organizing at this rate, it will become a TS before July 24, 06Z with ease. Another possible record for 2020.
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