ATL: FRANKLIN - Models

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SFLcane
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Re: ATL: FRANKLIN - Models

#61 Postby SFLcane » Mon Aug 21, 2023 11:23 am

jfk08c wrote:
Blown Away wrote:[url]https://i.postimg.cc/NFZPN9Dw/gfs-mslp-wind-watl-fh24-132.gif [/url]

12z GFS… Uh oh, left turn signal on!! :eek:


Giving some Jeanne vibes with that hook back west


Lol that is highly unlikely.
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Re: ATL: FRANKLIN - Models

#62 Postby jfk08c » Mon Aug 21, 2023 11:26 am

SFLcane wrote:
jfk08c wrote:
Blown Away wrote:[url]https://i.postimg.cc/NFZPN9Dw/gfs-mslp-wind-watl-fh24-132.gif [/url]

12z GFS… Uh oh, left turn signal on!! :eek:


Giving some Jeanne vibes with that hook back west


Lol that is highly unlikely.


Ok? Just said that model run reminded me of the loop around west Jeanne did in roughly the same area. Never said it would verify
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Re: ATL: FRANKLIN - Models

#63 Postby Blown Away » Mon Aug 21, 2023 11:28 am

SFLcane wrote:
jfk08c wrote:
Blown Away wrote:[url]https://i.postimg.cc/NFZPN9Dw/gfs-mslp-wind-watl-fh24-132.gif [/url]

12z GFS… Uh oh, left turn signal on!! :eek:


Giving some Jeanne vibes with that hook back west




GFS all on its own going ENE almost @8 degrees once above Hispaniola… All other models starting to adjust to a climatologically smoother N movement out of the Caribbean.

Also, 2004 is a analog used by Phil.
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Re: ATL: FRANKLIN - Models

#64 Postby Spacecoast » Mon Aug 21, 2023 11:37 am

TVCN/TVCX/OFCL Consensus tracks usually have lowest track errors...
Image
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Re: ATL: FRANKLIN - Models

#65 Postby Blown Away » Mon Aug 21, 2023 11:39 am

Spacecoast wrote:TVCN/TVCX/OFCL Consensus tracks usually have lowest track errors...
https://i.ibb.co/Bjh6gvf/ef22.jpg


Let’s see this map later today once recent 12z models are imputed.
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Re: ATL: FRANKLIN - Models

#66 Postby Woofde » Mon Aug 21, 2023 11:50 am

Models usually end up adjusting closer to climatology as time grows nearer. A storm going the west to east over Hispaniola in August is very unusual. Though its not impossible, i would bet more on the models adjusting back west.
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Re: ATL: FRANKLIN - Models

#67 Postby Blown Away » Mon Aug 21, 2023 12:16 pm

Image

12z GEPS… Now show potential impact to SE Bahamas, SFL, EGOM.
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Re: ATL: FRANKLIN - Models

#68 Postby Beef Stew » Mon Aug 21, 2023 12:30 pm

As currently forecast, it would definitely be an interesting track for this time of year, climatologically speaking. As others have said, continual westward shifts in the modeling, like we’ve seen in the 12z suite, would be more aligned with climo. Although they were October storms, with much different synoptic setups- Hazel, and more recently, Matthew come to mind track-wise for possible analogs should the signal for a more western solution post-Hispaniola grow stronger.
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Re: ATL: FRANKLIN - Models

#69 Postby BobHarlem » Mon Aug 21, 2023 2:38 pm

12z euro stall's Franklin north of the Caribbean like it's not sure quite what to do with it forever before eventually going north.
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Re: ATL: FRANKLIN - Models

#70 Postby Blown Away » Mon Aug 21, 2023 3:32 pm

BobHarlem wrote:12z euro stall's Franklin north of the Caribbean like it's not sure quite what to do with it forever before eventually going north.

Image

You can see the flow, it’s all about timing coming out of the Caribbean.
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Re: ATL: FRANKLIN - Models

#71 Postby Ianswfl » Mon Aug 21, 2023 3:35 pm

Blown Away wrote:
BobHarlem wrote:12z euro stall's Franklin north of the Caribbean like it's not sure quite what to do with it forever before eventually going north.

[url]https://i.postimg.cc/7htC6d19/9-km-ECMWF-Global-Pressure-Southwest-Atlantic-850-h-Pa-Rel-Vorticity.gif [/url]

You can see the flow, it’s all about timing coming out of the Caribbean.


Possible it could be like the storm in your avatar and get more west?
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Re: ATL: FRANKLIN - Models

#72 Postby Blown Away » Mon Aug 21, 2023 3:57 pm

Ianswfl wrote:
Blown Away wrote:
BobHarlem wrote:12z euro stall's Franklin north of the Caribbean like it's not sure quite what to do with it forever before eventually going north.

[url]https://i.postimg.cc/7htC6d19/9-km-ECMWF-Global-Pressure-Southwest-Atlantic-850-h-Pa-Rel-Vorticity.gif [/url]

You can see the flow, it’s all about timing coming out of the Caribbean.


Possible it could be like the storm in your avatar and get more west?

Image

Franklin will be in similar spot Jeanne was before the idea of a loop was being considered.
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Re: ATL: FRANKLIN - Models

#73 Postby gatorcane » Mon Aug 21, 2023 4:05 pm

Models have a come a long way since Jeanne not to mention it is no 2004 as far as Bermuda High strength so far. While one cannot completely rule out that scenario, it looks unlikely. 18Z guidance below;

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Re: ATL: FRANKLIN - Models

#74 Postby Blown Away » Mon Aug 21, 2023 5:11 pm

Image

18z GFS… Still showing a stall/loop. I have low confidence Franklin moves almost due E past Hispaniola. I think we are closing in on a pattern change IMO.
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Re: ATL: FRANKLIN - Models

#75 Postby IcyTundra » Mon Aug 21, 2023 5:15 pm

gatorcane wrote:Models have a come a long way since Jeanne not to mention it is no 2004 as far as Bermuda High strength so far. While one cannot completely rule out that scenario, it looks unlikely. 18Z guidance below;

https://i.postimg.cc/MT5PJLRh/08-L-tracks-18z.png


True about the models being a lot better now but I do think we see some west shifts. Probably not all the way to the CONUS though.
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Re: ATL: FRANKLIN - Models

#76 Postby Spacecoast » Mon Aug 21, 2023 8:24 pm

0z Tracks: Short term change from 18z. Now through central DR, rather than Haiti/DR border.
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Last edited by Spacecoast on Mon Aug 21, 2023 9:26 pm, edited 1 time in total.
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Re: ATL: FRANKLIN - Models

#77 Postby ScottNAtlanta » Mon Aug 21, 2023 8:37 pm

GFS has always had an out to sea bias when looking past 72 hours. I think it corrects west.
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Re: ATL: FRANKLIN - Models

#78 Postby ElectricStorm » Tue Aug 22, 2023 1:07 am

0z hurricane models:

HWRF gets to 984mb before Hispaniola
HMON 991mb at landfall
HAFS-A stays very weak and disorganized until north of the islands. 967mb at the end of the run
HAFS-B gets to 994mb before landfall, 974 at end of run
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Re: ATL: FRANKLIN - Models

#79 Postby kevin » Tue Aug 22, 2023 3:13 am

00z HWRF is very aggressive and intensifies from 996 mb to 984 mb between +24 and +30 hrs just before landfall. Afterwards it also shows fast intensification with a 949 mb MH at the end of the run moving NW after a Jeanne-like loop a bit further east (which can better be seen in the HWRF-parent).



HWRF-p

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Re: ATL: FRANKLIN - Models

#80 Postby ScottNAtlanta » Tue Aug 22, 2023 9:03 am

It looks really awful this morning. It looks like an open wave almost. I do think this could be dangerous in the long term as it could miss the trough and head west.
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