ATL: FRANKLIN - Remnants - Discussion

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tropicwatch
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Re: ATL: INVEST 90L - Discussion

#281 Postby tropicwatch » Sat Aug 05, 2017 10:16 pm

Latest ASCAT, not much to it right now.

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Re: ATL: INVEST 90L - Models

#282 Postby Siker » Sat Aug 05, 2017 11:26 pm

UKMET picks this up:

NEW TROPICAL CYCLONE FORECAST TO DEVELOP AFTER 48 HOURS
FORECAST POSITION AT T+ 48 : 17.0N 87.0W

LEAD CENTRAL MAXIMUM WIND
VERIFYING TIME TIME POSITION PRESSURE (MB) SPEED (KNOTS)
-------------- ---- -------- ------------- -------------
0000UTC 08.08.2017 48 17.0N 87.0W 1007 27
1200UTC 08.08.2017 60 17.4N 87.7W 1004 35
0000UTC 09.08.2017 72 18.3N 89.6W 1003 29
1200UTC 09.08.2017 84 18.8N 91.9W 1001 40
0000UTC 10.08.2017 96 19.0N 94.2W 997 42
1200UTC 10.08.2017 108 19.1N 96.2W 996 43
0000UTC 11.08.2017 120 14.9N 93.7W 1005 37
1200UTC 11.08.2017 132 CEASED TRACKING
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Re: ATL: INVEST 90L - Models

#283 Postby shah83 » Sat Aug 05, 2017 11:59 pm

HWRF is rather aggressive so far in the 00z run for 90l.
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Re: ATL: INVEST 90L - Models

#284 Postby Alyono » Sun Aug 06, 2017 12:37 am

HWRF backs off the cat 3 landfall and instead goes with a cat 2
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Re: ATL: INVEST 90L - Models

#285 Postby Siker » Sun Aug 06, 2017 12:41 am

Alyono wrote:HWRF backs off the cat 3 landfall and instead goes with a cat 2


00z GFS and HWRF both show this taking a gulp of dry air around the time it emerges from Yucatán, slowing organization for a bit.
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Re: ATL: INVEST 90L - Models

#286 Postby Siker » Sun Aug 06, 2017 12:58 am

Euro says that by this time tomorrow we have a TD, borderline TS.
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Re: ATL: INVEST 90L - Discussion

#287 Postby HURAKAN » Sun Aug 06, 2017 12:59 am

Up to 60/80 by the NHC
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Re: ATL: INVEST 90L - Models

#288 Postby Alyono » Sun Aug 06, 2017 1:13 am

EC coming in quite a bit stronger
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Re: ATL: INVEST 90L - Models

#289 Postby Alyono » Sun Aug 06, 2017 1:28 am

EC at 984mb at landfall just south of Tampico
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Re: ATL: INVEST 90L - Models

#290 Postby Siker » Sun Aug 06, 2017 1:33 am

Alyono wrote:EC at 984mb at landfall just south of Tampico


Puts Tampico directly in the right front quadrant.
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Re: ATL: INVEST 90L - Models

#291 Postby Alyono » Sun Aug 06, 2017 1:39 am

Siker wrote:
Alyono wrote:EC at 984mb at landfall just south of Tampico


Puts Tampico directly in the right front quadrant.


comes in at about 21.6N. That would keep Tampico out of the eyewall. HOWEVER, it would put them in the area with upslope flow. That could cause a repeat of Diana or Gert for them
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Re: ATL: INVEST 90L - Models

#292 Postby Hammy » Sun Aug 06, 2017 1:46 am

Alyono wrote:EC at 984mb at landfall just south of Tampico


What's the wind at that point?
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Re: ATL: INVEST 90L - Models

#293 Postby Siker » Sun Aug 06, 2017 1:50 am

Hammy wrote:
Alyono wrote:EC at 984mb at landfall just south of Tampico


What's the wind at that point?


65kts on the nose.
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Re: ATL: INVEST 90L - Discussion

#294 Postby Digital-TC-Chaser » Sun Aug 06, 2017 3:29 am

The current diffluence in an upper level wind looks to be a favorable condition for severe thunderstorm cluster development (anvils) within the rotation.
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Re: ATL: INVEST 90L - Models

#295 Postby Alyono » Sun Aug 06, 2017 4:44 am

adjusted 0Z EC has peak winds at landfall greater than 70 kts (probably around 75 kts, though I only plot in 10 kt increments)
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Re: ATL: INVEST 90L - Models

#296 Postby Thetxhurricanemaster » Sun Aug 06, 2017 4:45 am

Alyono wrote:adjusted 0Z EC has peak winds at landfall greater than 70 kts (probably around 75 kts, though I only plot in 10 kt increments)


Question ? Is south Texas still in play ??? Because clearly models have been shifting back North
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Re: ATL: INVEST 90L - Models

#297 Postby TheStormExpert » Sun Aug 06, 2017 5:06 am

06z GFS bombs it out @ 959 MSLP before going into Mexico FWIW.
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Re: ATL: INVEST 90L - Models

#298 Postby Alyono » Sun Aug 06, 2017 5:10 am

Thetxhurricanemaster wrote:
Alyono wrote:adjusted 0Z EC has peak winds at landfall greater than 70 kts (probably around 75 kts, though I only plot in 10 kt increments)


Question ? Is south Texas still in play ??? Because clearly models have been shifting back North


only a slight chance
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Re: ATL: INVEST 90L - Discussion

#299 Postby xironman » Sun Aug 06, 2017 5:21 am

Finally has some decent convergence

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Re: ATL: INVEST 90L - Models

#300 Postby northjaxpro » Sun Aug 06, 2017 5:28 am

TheStormExpert wrote:06z GFS bombs it out @ 959 MSLP before going into Mexico FWIW.


Well, there is always this type of potential, provided if the upper level conditions are condcive for a tropical cyclone to do this.
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