ATL: EARL - Post-Tropical - Discussion

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Re: ATL: INVEST 91L - Discussion

#381 Postby Craters » Fri Sep 02, 2022 1:13 pm

aspen wrote:I hope this does develop into a decent OTS system, because to have it fade away after like two weeks of being tracked is just gonna be frustrating. All that time spent focusing on a nothing burger. But it seems like 2022 is the year of drawn-out AOIs/Invests (Alex, Bonnie) and sudden spin-ups (Colin, Danielle), with nothing in between.


Even if it were to *poof*, though, Aspen, think of all of the good observational info that it would have put into our memory banks. It wouldn't have been a total bust...
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Re: ATL: INVEST 91L - Discussion

#382 Postby NDG » Fri Sep 02, 2022 1:18 pm

Recon finds a weak wind shift near that weak LLC west of the MLC.

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Re: ATL: INVEST 91L - Discussion

#383 Postby Nimbus » Fri Sep 02, 2022 1:26 pm

NDG wrote:Recon finds a weak wind shift near that weak LLC west of the MLC.

https://i.imgur.com/gNRyeD1.jpg


It is so small I thought it might be just a doomed suckhole?
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Re: ATL: INVEST 91L - Discussion

#384 Postby NDG » Fri Sep 02, 2022 1:37 pm

Nimbus wrote:
NDG wrote:Recon finds a weak wind shift near that weak LLC west of the MLC.

https://i.imgur.com/gNRyeD1.jpg


It is so small I thought it might be just a doomed suckhole?


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Re: ATL: INVEST 91L - Discussion

#385 Postby Iceresistance » Fri Sep 02, 2022 2:01 pm

Now up to 60/70

1. East of the Leeward Islands:
An area of low pressure located a few hundred miles east of the
Leeward Islands continues to produce disorganized showers and
thunderstorms, mainly over the eastern portion of the circulation.
Environmental conditions remain only marginally conducive, but any
additional development of the system over the next few days would
lead to the formation of a tropical depression. The disturbance is
expected to move slowly west-northwestward, toward the adjacent
waters of the northern Leeward Islands. Regardless of development,
locally heavy rains may occur over portions of the Leeward Islands
during the next couple of days, and interests in that area should
monitor the progress of the system. An Air Force Reserve Hurricane
Hunter aircraft is currently investigating the system. Additional
information on this system can be found in High Seas Forecasts
issued by the National Weather Service.
* Formation chance through 48 hours...medium...60 percent.
* Formation chance through 5 days...high...70 percent.
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Re: ATL: INVEST 91L - Discussion

#386 Postby NDG » Fri Sep 02, 2022 2:09 pm

Good enough for a TD?

URNT15 KNHC 021901
AF307 03FFA INVEST HDOB 22 20220902
185130 1743N 05858W 9249 00751 0079 +211 +170 204005 006 /// /// 03
185200 1744N 05857W 9249 00751 0079 +208 +171 205004 006 /// /// 03
185230 1745N 05856W 9252 00747 0079 +210 +169 198003 004 /// /// 03
185300 1747N 05855W 9248 00751 0077 +210 +169 196005 006 /// /// 03
185330 1748N 05854W 9249 00746 0074 +210 +172 205006 006 /// /// 03
185400 1750N 05853W 9248 00747 0073 +210 +176 211007 007 /// /// 03
185430 1751N 05852W 9248 00749 0075 +208 +181 213007 007 /// /// 03
185500 1753N 05852W 9249 00747 0076 +203 +184 215003 006 /// /// 03
185530 1754N 05851W 9252 00745 0075 +196 +192 007001 002 /// /// 05
185600 1755N 05850W 9248 00747 0073 +209 +187 252001 002 014 001 03
185630 1757N 05849W 9250 00745 0072 +210 +182 265002 002 /// /// 03
185700 1758N 05848W 9248 00747 0073 +207 +185 224001 002 /// /// 03
185730 1759N 05847W 9249 00745 0072 +209 +186 070002 002 010 002 03
185800 1801N 05847W 9252 00743 0070 +211 +190 068005 005 011 003 03
185830 1802N 05846W 9248 00745 0069 +215 +190 074007 007 009 002 00
185900 1803N 05845W 9248 00744 0069 +212 +191 078008 010 008 003 03
185930 1805N 05844W 9249 00743 0069 +210 +189 073014 015 007 002 00
190000 1806N 05844W 9250 00741 0070 +208 +187 079016 018 009 002 03
190030 1807N 05843W 9248 00745 0070 +209 +184 081019 019 009 003 00
190100 1808N 05842W 9250 00743 0070 +207 +181 082022 022 010 003 00
$$
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Re: ATL: INVEST 91L - Discussion

#387 Postby Kingarabian » Fri Sep 02, 2022 2:10 pm

:uarrow: Over the last 48 hours it had good chances but could never sustain. Harshest conditions ahead of it so they may delay.
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Re: ATL: INVEST 91L - Discussion

#388 Postby NDG » Fri Sep 02, 2022 2:19 pm

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Re: ATL: INVEST 91L - Discussion

#389 Postby aspen » Fri Sep 02, 2022 2:40 pm


It’s trying its best. Not sure if the NHC will be convinced enough for an upgrade.
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Re: ATL: INVEST 91L - Discussion

#390 Postby Emmett_Brown » Fri Sep 02, 2022 3:06 pm

Nice swath of 40+ knot flight level winds to the north
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Re: ATL: INVEST 91L - Discussion

#391 Postby Sciencerocks » Fri Sep 02, 2022 3:07 pm

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Re: ATL: INVEST 91L - Discussion

#392 Postby tropicwatch » Fri Sep 02, 2022 3:07 pm

Looks like they might be close to calling this a TD. The Hurricane Hunters look like they are flying a quadrant pattern now.
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Re: ATL: INVEST 91L - Discussion

#393 Postby NDG » Fri Sep 02, 2022 3:38 pm

SW quadrant is weak as it is always is with TDs, it looks good enough to me for an upgrade to TD, pressure near 1007-1008mb.

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Re: ATL: INVEST 91L - Discussion

#394 Postby aspen » Fri Sep 02, 2022 3:39 pm

NDG wrote:SW quadrant is weak as it is always is with TDs, it looks good enough to me for an upgrade to TD, pressure near 1007-1008mb.

https://i.imgur.com/jOCznO5.jpg

Doesn’t look like they’re upgrading it this advisory.
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Re: ATL: INVEST 91L - Discussion

#395 Postby NDG » Fri Sep 02, 2022 3:43 pm

aspen wrote:
NDG wrote:SW quadrant is weak as it is always is with TDs, it looks good enough to me for an upgrade to TD, pressure near 1007-1008mb.

https://i.imgur.com/jOCznO5.jpg

Doesn’t look like they’re upgrading it this advisory.


Agree, a tweet would had gone out by now if they were to upgrade it now.
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Re: ATL: INVEST 91L - Discussion

#396 Postby Iceresistance » Fri Sep 02, 2022 4:22 pm

Recon has found a LLC and has tagged it at 1008 MB. (Unless I'm late to the news :lol: )
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Re: ATL: INVEST 91L - Discussion

#397 Postby cycloneye » Fri Sep 02, 2022 4:27 pm

VDM!!

URNT12 KNHC 022101
VORTEX DATA MESSAGE AL912022
A. 02/20:20:50Z
B. 17.93 deg N 059.08 deg W
C. 925 mb 751 m
D. EXTRAP 1008 mb
E. NA
F. NA
G. NA
H. 19 kt
I. 340 deg 55 nm 20:02:30Z
J. 089 deg 39 kt
K. 341 deg 52 nm 20:03:30Z
L. NA
M. NA
N. 221 deg 18 kt
O. 134 deg 72 nm 20:44:30Z
P. 20 C / 763 m
Q. 21 C / 763 m
R. 19 C / NA
S. 134 / 9
T. 0.02 / 2 nm
U. AF307 03FFA INVEST OB 11
MAX FL WIND 39 KT 341 / 52 NM 20:03:30Z
SLP EXTRAP FROM 925 MB
MAX FL TEMP 21 C 332 / 9 NM FROM FL CNTR
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Re: ATL: INVEST 91L - Discussion

#398 Postby CourierPR » Fri Sep 02, 2022 4:27 pm

Iceresistance wrote:Recon has found a LLC and has tagged it at 1008 MB. (Unless I'm late to the news :lol: )


OK, so why is it not a TD?

Oops! Spoke too soon.
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Re: ATL: INVEST 91L - Discussion

#399 Postby Kingarabian » Fri Sep 02, 2022 4:30 pm

Think they want to see it maintain.
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Re: ATL: INVEST 91L - Discussion

#400 Postby cycloneye » Fri Sep 02, 2022 4:34 pm

Kingarabian wrote:Think they want to see it maintain.


That is corrrect since is weak and can change.
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