ATL: SAM - Models

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SouthFLTropics
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Re: ATL: SAM - Models

#661 Postby SouthFLTropics » Thu Sep 23, 2021 11:23 am

While the GFS has shifted to the SW, there is still a clear exit for Sam to take. The trough off the eastern seaboard is deeper this time leaving a large weakness.


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Re: ATL: SAM - Models

#662 Postby chris_fit » Thu Sep 23, 2021 11:24 am

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Re: ATL: SAM - Models

#663 Postby AutoPenalti » Thu Sep 23, 2021 11:27 am

Maybe that Typhoon will likely amplify both the trough AND the ridge.
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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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Re: ATL: SAM - Models

#664 Postby SFLcane » Thu Sep 23, 2021 11:27 am

I give euro that its been pretty consistent unlike the gfs.
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Re: ATL: SAM - Models

#665 Postby AutoPenalti » Thu Sep 23, 2021 11:32 am

I'm thinking the Euro will likely adjust N on this run. I mean how much more south can you go?
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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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Re: ATL: SAM - Models

#666 Postby JPmia » Thu Sep 23, 2021 11:33 am

SFLcane wrote:I give euro that its been pretty consistent unlike the gfs.


The parallel 00z EURO is closer to the GFS.. it does not go as far west as the operational EURO does.. curious to see both 12z EURO runs.
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Re: ATL: SAM - Models

#667 Postby otowntiger » Thu Sep 23, 2021 11:35 am

SFLcane wrote:12z Gfs weaker perhaps trending towards euro.

Looks very my much the same to me. GFS strongly OTS. Looks to still threaten Bermuda. If it shifted SW I can’t tell.
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Re: ATL: SAM - Models

#668 Postby aspen » Thu Sep 23, 2021 11:39 am

Interacts with a low off New England and is now being tossed into Nova Scotia as a Cat 1/2.
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Re: ATL: SAM - Models

#669 Postby Mob1 » Thu Sep 23, 2021 11:40 am

Insane timing difference on the GFS from last run, but it ends up being a bigger threat to land (canada and eastern Maine) due to the northern (as opposed to NE) trajectory it takes.
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Re: ATL: SAM - Models

#670 Postby SFLcane » Thu Sep 23, 2021 11:44 am

otowntiger wrote:
SFLcane wrote:12z Gfs weaker perhaps trending towards euro.

Looks very my much the same to me. GFS strongly OTS. Looks to still threaten Bermuda. If it shifted SW I can’t tell.


It is weaker days 1-4
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Re: ATL: SAM - Models

#671 Postby Zonacane » Thu Sep 23, 2021 11:45 am

The GFS runs belong in the trash.
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Re: ATL: SAM - Models

#672 Postby Spacecoast » Thu Sep 23, 2021 11:46 am

JPmia wrote:
SFLcane wrote:I give euro that its been pretty consistent unlike the gfs.


The parallel 00z EURO is closer to the GFS.. it does not go as far west as the operational EURO does.. curious to see both 12z EURO runs.

I agree. The euro has been more consistent recently.
It's also been interesting to watch the Euro operational compared to it's ensemble mean...
The 0z again
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Re: RE: Re: ATL: SAM - Models

#673 Postby jlauderdal » Thu Sep 23, 2021 11:59 am

Zonacane wrote:The GFS runs belong in the trash.
Why is that? Couple of days ago there was one run that took sam through the ridge but overall the runs seem plausible.
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Re: ATL: SAM - Models

#674 Postby dspguy » Thu Sep 23, 2021 12:01 pm

That last Euro track reminds me a lot of Hugo's path, except it crosses to the north of PR instead of going through PR.
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Re: RE: Re: ATL: SAM - Models

#675 Postby Zonacane » Thu Sep 23, 2021 12:03 pm

jlauderdal wrote:
Zonacane wrote:The GFS runs belong in the trash.
Why is that? Couple of days ago there was one run that took sam through the ridge but overall the runs seem plausible.

The remnants of Peter will split off to guide Sam away from the CONUS and then generate into a major in the gulf. Riiiiiiight
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Re: ATL: SAM - Models

#676 Postby chris_fit » Thu Sep 23, 2021 12:05 pm

12z CMC siding with the GFS....

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Re: ATL: SAM - Models

#677 Postby chris_fit » Thu Sep 23, 2021 12:10 pm

12Z ICON appears to side with the GFS

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Re: ATL: SAM - Models

#678 Postby Zonacane » Thu Sep 23, 2021 12:10 pm

chris_fit wrote:12z CMC siding with the GFS....

https://i.imgur.com/0VwOoNw.gif

What on Earth is the CMC developing off the Atlantic Coast?
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Re: ATL: SAM - Models

#679 Postby IcyTundra » Thu Sep 23, 2021 12:13 pm

The GFS isn't far off from a New England hit. If things are a little different New England could be in play.
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Re: ATL: SAM - Models

#680 Postby ColdMiser123 » Thu Sep 23, 2021 12:14 pm

The closed off trough over the Northeast is a genuine wildcard, and there's really no way to know for sure how that will impact Sam at this point. Northeast should keep an eye on this.
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