ATL: LAURA - Models

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Re: ATL: INVEST 98L - Models

#401 Postby eastcoastFL » Tue Aug 18, 2020 4:25 pm

Icon 102hrs weak TS north of PR
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Re: ATL: INVEST 98L - Models

#402 Postby SFLcane » Tue Aug 18, 2020 4:27 pm

sma10 wrote:18z ICON staying consistent in development north of islands. Still in UK / CMC camp


18z Icon not gonna end well
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Re: ATL: INVEST 98L - Models

#403 Postby ronjon » Tue Aug 18, 2020 4:28 pm

:uarrow: Yikes on 12z GFS para! 958 mb storm from 97l in the eastern GOM.
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Re: ATL: INVEST 98L - Models

#404 Postby eastcoastFL » Tue Aug 18, 2020 4:31 pm

Icon ends with deepening 997mb storm in SE Bahamas
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Re: ATL: INVEST 98L - Models

#405 Postby Blown Away » Tue Aug 18, 2020 4:35 pm

eastcoastFL wrote:Icon ends with deepening 997mb storm in SE Bahamas

Image
18z ICON... Slightly N and stronger than 12z...
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Re: ATL: INVEST 98L - Models

#406 Postby EquusStorm » Tue Aug 18, 2020 4:37 pm

And the upward trend begins again
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Re: ATL: INVEST 98L - Models

#407 Postby Kingarabian » Tue Aug 18, 2020 4:43 pm

Wow! That's a crazy run by the ICON.
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Re: ATL: INVEST 98L - Models

#408 Postby Hammy » Tue Aug 18, 2020 4:51 pm

How much impact are the competing circulations having on the models apparent inability to develop this?
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Re: ATL: INVEST 98L - Models

#409 Postby Blown Away » Tue Aug 18, 2020 4:58 pm

Image
18z GFS... Slightly N of 12z at 90 hours...
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Re: ATL: INVEST 98L - Models

#410 Postby AutoPenalti » Tue Aug 18, 2020 5:06 pm

Am I crazy or is ICON 18z run go out to only 120 hours?
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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)

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is a weighted averaged

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Re: ATL: INVEST 98L - Models

#411 Postby toad strangler » Tue Aug 18, 2020 5:07 pm

18Z GFS again plows a weak wave head first into the GA's and looks to ride the spine. DEATH
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Re: ATL: INVEST 98L - Models

#412 Postby SFLcane » Tue Aug 18, 2020 5:08 pm

AutoPenalti wrote:Am I crazy or is ICON 18z run go out to only 120 hours?


120hrs that would be correct.
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Re: ATL: INVEST 98L - Models

#413 Postby gatorcane » Tue Aug 18, 2020 5:09 pm

The GFS parallel has proven to be way too aggressive on intensity so far this season. Latest GFS with something similar to the previous runs, weak and tangled up in the Greater Antilles:

Image
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Re: ATL: INVEST 98L - Models

#414 Postby AutoPenalti » Tue Aug 18, 2020 5:09 pm

GFS implying multiple vortices will fight each other until eventually none of them win and dissipates in the Islands.
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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 98L - Models

#415 Postby WxEp » Tue Aug 18, 2020 5:11 pm

AutoPenalti wrote:Am I crazy or is ICON 18z run go out to only 120 hours?


ICON runs out to 180 hours at 00z and 12z; out to 120 hours at 06z and 18z.
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Re: ATL: INVEST 98L - Models

#416 Postby Evil Jeremy » Tue Aug 18, 2020 5:11 pm

We all learned this lesson a month ago; The models 5+ days out, especially when they have yet to latch onto a closed core, are pure fantasy.

WXMan talking about South Florida today makes me feel comfortable right now. If he's singing that tune on Friday, well, I'll get a bit antsy. I'm not gonna let myself get caught up in the models for 98L until it reaches the Antilles.
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Re: ATL: INVEST 98L - Models

#417 Postby WxEp » Tue Aug 18, 2020 5:15 pm

Well this is a bit different from the GFS... ridge backed off a bit compared to last run and allowed a more northerly movement after running across the Greater Antilles.

Image
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Re: ATL: INVEST 98L - Models

#418 Postby Blown Away » Tue Aug 18, 2020 5:15 pm

Image

18z GFS... Appears to be a slight N shift and TD/TS landfall into SFL...
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Re: ATL: INVEST 98L - Models

#419 Postby toad strangler » Tue Aug 18, 2020 5:16 pm

Evil Jeremy wrote: We all learned this lesson a month ago; The models 5+ days out, especially when they have yet to latch onto a closed core, are pure fantasy.

WXMan talking about South Florida today makes me feel comfortable right now. If he's singing that tune on Friday, well, I'll get a bit antsy. I'm not gonna let myself get caught up in the models for 98L until it reaches the Antilles.



Yeah ya just get the feeling a conservative guy like wxman57 just doesn't just offer up forecasting like that on this forum without it being a solid possibility in his circles.
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Re: ATL: INVEST 98L - Models

#420 Postby Blown Away » Tue Aug 18, 2020 5:17 pm

Image
18z GFS... TD/TS landfall in SFL...
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