ATL: FIONA - Models

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LarryWx
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Re: ATL: SEVEN - Models

#181 Postby LarryWx » Thu Sep 15, 2022 7:35 am

caneman wrote:
toad strangler wrote:
caneman wrote:
There is no safe call to make right now. It's too far out and some models have shifted West. Some taking it just South of the islands. Some keep it weaker and further West. There is no super highway OTS from just below the islands. And each storm and set up and timing is completely unique. I don't care if 90% of storms go out to sea. You don't know which will be the 10%.



It's less than 10% and you changed the context of my post. I was speaking of the spot Fiona was at THAT moment. Not from underneath the GA's. There is absolutely a climatological re-curve favored track east of the CONUS from that genearl area I was talking about. I see the 6z GFS does just that. Although in rather interesting fashion. We shall see!


I didn't change the context, you can't make an assumption from that point as OTS and as a "safe call". You also cant weight post analysis with current analysis especially when current analysis showed there is still a wide model spread over a long range. Sure, do 90% or a larger portion in that area go OTS YES but you never know when the 10% of so won't. This may well be that one. We don't know yet and even more models this morning go further West now. I don't trust any modeling outside of 120 hours.


He was calling OTS the "safest" call as opposed to the "safe" call. Calling for a hit is certainly not a "safe" call either as that's a less safe call than calling for OTS based on historical tracks. He knows there's no "safe" call. He's saying the best odds by a good margin are OTS. Maybe better wording would be calling it "highest odds" rather than "safest".

Personally, I'm not at all even discounting the possibility of a move into the Gulf and I bet he'd say the same. I don't think the Gulf is even that low of a possibility.
Last edited by LarryWx on Thu Sep 15, 2022 7:39 am, edited 1 time in total.
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Re: ATL: FIONA - Models

#182 Postby skyline385 » Thu Sep 15, 2022 7:38 am

12Z Early guidance, only a few models seem to suggest a westerly track so far but its 2022 so who knows :D

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Re: ATL: FIONA - Models

#183 Postby ronjon » Thu Sep 15, 2022 7:39 am

Seems like Hispanola is the wild card here and might make the model predictions more uncertain than they already are. If Fiona gets shredded and turns into a shallow weak low pressure, the chances will increase for an eventual GOM system. This would steer the system more W-NW in low level flow and generally faster forward motion which would miss the trough connection. On the flip side, if the system remains strong and avoids the shredder, a OTS solution is likely.
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Re: ATL: FIONA - Models

#184 Postby tolakram » Thu Sep 15, 2022 7:39 am

HWRF still shows sudden organization and launch northwestward.

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Simulated radar makes no sense to me. Shear very low by 72 hours?

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200mb winds

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Could happen I suppose, but the word incompetent comes to mind here. And yes, it actually does reverse shear for a few hours. :roll:
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Re: ATL: FIONA - Models

#185 Postby Blown Away » Thu Sep 15, 2022 7:40 am

Image
00z ECENS... ATM the Euro seems to have the best handle on Fiona keeping her a shallow TD/TS and moving W instead of WNW.

8am had Fiona at 16.6N, the NHC 5pm yesterday had Fiona at @16.9 now. Not a huge difference, but for GA's it's not good and potentially more direct impact on Hispaniola. JMHO
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Re: ATL: FIONA - Models

#186 Postby tolakram » Thu Sep 15, 2022 7:51 am

Image

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Re: ATL: FIONA - Models

#187 Postby SFLcane » Thu Sep 15, 2022 7:54 am

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Re: ATL: FIONA - Models

#188 Postby tolakram » Thu Sep 15, 2022 8:03 am

Euro showing less organized in the short term.

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Re: ATL: FIONA - Models

#189 Postby tolakram » Thu Sep 15, 2022 8:04 am

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Re: ATL: FIONA - Models

#190 Postby KWT » Thu Sep 15, 2022 8:08 am

HWRF above seems to start with two lows that consolidate around a region closer to the convection, the main low then does small loops on a broadly westerly path. Certainly does some funky things on that run though for sure and I wonder if that is making it too far east vs other models which appear to keep things a little more straight forward.

For example 06z HWRF is at 62w on 18z Saturday, ECM is around 65-66W, which has huge differences for where the turn happens and whether it sails on out there unharmed, or whether it goes over the more mountainous islands instead as per the ECM.

All models do seem to agree though on a much more favourable set-up developing through Sunday, providing its not throttled itself overland too much.
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Re: ATL: FIONA - Models

#191 Postby tolakram » Thu Sep 15, 2022 8:17 am

Last from of 6Z run, moving NW into what appears to be a ridge. Not that I've ever been that good at reading model output.

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Re: ATL: FIONA - Models

#192 Postby SFLcane » Thu Sep 15, 2022 8:28 am

EPS 06z

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Re: ATL: FIONA - Models

#193 Postby CFLHurricane » Thu Sep 15, 2022 8:33 am

I don’t buy the sudden turn north next Tuesday the GFS, NAVGEM, and ICON are showing. I agree OTS is the likeliest outcome but the turn is just too tidy a solution.
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Re: ATL: FIONA - Models

#194 Postby SFLcane » Thu Sep 15, 2022 8:49 am

06z EPS has a sw shift to a weaker solution so that was interesting.
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Re: ATL: FIONA - Models

#195 Postby AutoPenalti » Thu Sep 15, 2022 8:57 am

SFLcane wrote:06z EPS has a sw shift to a weaker solution so that was interesting.

Likely modeling the exposed center that's going on right now.
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Re: ATL: FIONA - Models

#196 Postby LarryWx » Thu Sep 15, 2022 9:09 am

SFLcane wrote:06z EPS has a sw shift to a weaker solution so that was interesting.


I expect more slow SW shifts of the mean track though probably not consistently from run to run.
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Re: ATL: FIONA - Models

#197 Postby SFLcane » Thu Sep 15, 2022 9:11 am

LarryWx wrote:
SFLcane wrote:06z EPS has a sw shift to a weaker solution so that was interesting.


I expect more slow SW shifts of the mean track though probably not consistently from run to run.


Indeed..
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Re: ATL: FIONA - Models

#198 Postby SFLcane » Thu Sep 15, 2022 9:19 am

LarryWx wrote:
SFLcane wrote:06z EPS has a sw shift to a weaker solution so that was interesting.


I expect more slow SW shifts of the mean track though probably not consistently from run to run.


There seems to be a slow trend of eps members hooking westward towards florida even strong ones. Probably members where the CONUS ridge is allowed to build overhead

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Re: ATL: FIONA - Models

#199 Postby NDG » Thu Sep 15, 2022 9:54 am

Close up look of the 06z Euro run.

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Re: ATL: FIONA - Models

#200 Postby AutoPenalti » Thu Sep 15, 2022 10:01 am

NDG wrote:Close up look of the 06z Euro run.

https://i.imgur.com/GQOfH3v.gif

That has to be a center reformation on the Euro, there's no way it does an immediate sharp turn like that.
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