Trough of low pressure in Western Caribbean (Is Invest 95L)

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SFLcane
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Re: Trough of low pressure in Western Caribbean

#1021 Postby SFLcane » Tue Oct 20, 2020 8:06 am

Image
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Re: Trough of low pressure in Western Caribbean

#1022 Postby Hurricaneman » Tue Oct 20, 2020 8:10 am

The area near Columbia looks interesting, the models seem to be honing in on that area, could see the NHC change the outlook area at 2 as it seems as though that may be where things start coming together
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Re: Trough of low pressure in Western Caribbean

#1023 Postby wxman57 » Tue Oct 20, 2020 8:16 am

Here's what I see happening:

Image
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Re: Trough of low pressure in Western Caribbean

#1024 Postby SouthFLTropics » Tue Oct 20, 2020 8:17 am

wxman57 wrote:Here's what I see happening:

http://wxman57.com/images/Lucy.jpg


Wxman57 is listening to the Who this morning... "Won't Get Fooled Again"
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Re: Trough of low pressure in Western Caribbean

#1025 Postby TheStormExpert » Tue Oct 20, 2020 8:18 am

Honestly I don’t know what to think at this point. The 00z UKMET drops development while the 06z GFS is now the only model showing development. I think we’re being fooled you guys!
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Re: Trough of low pressure in Western Caribbean

#1026 Postby chaser1 » Tue Oct 20, 2020 9:03 am

wxman57 wrote:Here's what I see happening:

http://wxman57.com/images/Lucy.jpg


Winning post of the week award :lol:
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Trough of low pressure in Western Caribbean

#1027 Postby Sanibel » Tue Oct 20, 2020 10:07 am

Kudos to the forecasters...

Those writing this off were doing it too early in my opinion and this is doing classic slow trough-like formation and won't look back...
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Re: Trough of low pressure in Western Caribbean

#1028 Postby LarryWx » Tue Oct 20, 2020 10:11 am

The 6Z “King and his men”, i.e., the Euro and its ensembles, were very quiet. Interestingly, after that suddenly active 12Z EPS of yesterday (with 20% of its members sub 1000 mb for the follow up system, which is now in the SW Caribbean), each succeeding EPS has had less and less activity. Let’s see whether or not that quiet trend continues at 12Z.

The 6Z GEFS, though not as active as yesterday’s very active 18Z, is a good bit more active than the pretty quiet 0Z GEFS.

We watch. We wait. We analyze. Because that’s what we do.
Last edited by LarryWx on Tue Oct 20, 2020 10:20 am, edited 2 times in total.
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Re: Trough of low pressure in Western Caribbean

#1029 Postby cheezyWXguy » Tue Oct 20, 2020 10:12 am

wxman57 wrote:Here's what I see happening:

http://wxman57.com/images/Lucy.jpg

The Texas winter thread appears to be leaking
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Re: Trough of low pressure in Western Caribbean

#1030 Postby Ivanhater » Tue Oct 20, 2020 10:26 am

I just went through and cleaned up a bunch on nonsense posts that had absolutely nothing to do with this system.

Back on topic...
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Re: Trough of low pressure in Western Caribbean

#1031 Postby jconsor » Tue Oct 20, 2020 10:40 am

IMHO don't sleep on the W. Caribbean system yet. Pattern remains supportive overall for TC development this weekend into early next week, especially once Epsilon (which has been cutting off some inflow to W. Carib system) departs to the NE.

I concur with the tweet below that GEFS/GFS have a tendency to drop potebtial tropical cyclones in medium range, before bringing them back in shorter range. (Of course this comment is mainly based on GEFS before the upgrade a few months ago, but there is reason to believe this behavior persists after upgrade).

 https://twitter.com/yconsor/status/1318576590301892616




 https://twitter.com/AdamMcDoom/status/1317836379414462466


Last edited by jconsor on Tue Oct 20, 2020 10:57 am, edited 2 times in total.
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Re: Trough of low pressure in Western Caribbean

#1032 Postby LarryWx » Tue Oct 20, 2020 10:41 am

I know it is the low accuracy NAVGEM, but fwiw, the 6Z is the 3rd run in a row with development of the SW Car system but it is a little slower as it is only in W Cuba at the end (144) moving north.

And as mentioned, the 6Z GFS was slow but then went ape shoot with it in the NW Car and it lasted til the end of the run.
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Re: Trough of low pressure in Western Caribbean

#1033 Postby LarryWx » Tue Oct 20, 2020 11:06 am

As of 138, 12Z GFS is similar to 6Z with what looks like NW Car TC genesis from the system that’s now in the SW Car. But the 12Z UKMET, like the 0Z and unlike yesterday’s 12Z, has no TC genesis.
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Re: Trough of low pressure in Western Caribbean

#1034 Postby gatorcane » Tue Oct 20, 2020 11:24 am

strong ridge over Florida and the Gulf push it into the Yucatan and BoC on the 12Z GFS.

Image
Last edited by gatorcane on Tue Oct 20, 2020 11:26 am, edited 1 time in total.
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Re: Trough of low pressure in Western Caribbean

#1035 Postby Shell Mound » Tue Oct 20, 2020 11:26 am

wxman57 wrote:Here's what I see happening:

http://wxman57.com/images/Lucy.jpg

I think Bones will be coming out shortly, just in time for Halloween. :wink:
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Re: Trough of low pressure in Western Caribbean

#1036 Postby Loveweather12 » Tue Oct 20, 2020 11:30 am

gatorcane wrote:strong ridge over Florida and the Gulf push it into the Yucatan and BoC on the 12Z GFS.

https://i.postimg.cc/xCTtmGLv/gfs-z500a-Norm-watl-fh96-204.gif

Things can change. I also wouldn’t trust a model that suddenly drops development after 25 runs. The steering is complex
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Trough of low pressure in Western Caribbean

#1037 Postby Sanibel » Tue Oct 20, 2020 11:30 am

I might have spoke too soon because they say there is shear down there...
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Re: Trough of low pressure in Western Caribbean

#1038 Postby SFLcane » Tue Oct 20, 2020 11:34 am

LarryWx wrote:As of 138, 12Z GFS is similar to 6Z with what looks like NW Car TC genesis from the system that’s now in the SW Car. But the 12Z UKMET, like the 0Z and unlike yesterday’s 12Z, has no TC genesis.


One day maybe next year the gfs will be right.
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Re: Trough of low pressure in Western Caribbean

#1039 Postby boca » Tue Oct 20, 2020 11:36 am

Why does the GFS have that storm heading right into the cold front, it doesn’t make sense.
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Re: Trough of low pressure in Western Caribbean

#1040 Postby jconsor » Tue Oct 20, 2020 11:47 am

My thoughts on one factor that may be behind the delayed/lack of development in W. Caribbean:

 https://twitter.com/yconsor/status/1318594364155842560


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