ATL: IRMA - Models

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Hybridstorm_November2001
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Re: ATL: IRMA - Models

#2721 Postby Hybridstorm_November2001 » Fri Sep 01, 2017 11:50 pm

Steve wrote:****. 288 and another big system is off the US SE Coast approaching. Depicted pretty clearly for 12 days out. Double threat for us says the GFS.


Would that be future Jose or a new system that has yet to form?
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Re: ATL: IRMA - Models

#2722 Postby Hurricaneman » Fri Sep 01, 2017 11:52 pm

Hybridstorm_November2001 wrote:
Steve wrote:****. 288 and another big system is off the US SE Coast approaching. Depicted pretty clearly for 12 days out. Double threat for us says the GFS.


Would that be future Jose or a new system that has yet to form?

Future Jose I believe
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Re: ATL: IRMA - Models

#2723 Postby USTropics » Fri Sep 01, 2017 11:55 pm

00z UKMET plots:

Image
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Re: ATL: IRMA - Models

#2724 Postby Steve » Fri Sep 01, 2017 11:55 pm

Future Jose. It's massive. Haha. Let's hope the GFS doesn't continue to trend south. If it does, clearly the pattern is farther west than what this run shows. And future Jose would probably hit North Carolina. For now it stays out to sea and really deepens while still tropical pretty far north. You don't see that every day on a model. Run it on the North Atlantic view - which reminds me I need to make Levi a donation soon.

https://www.tropicaltidbits.com/analysi ... 200&fh=360

Edit to say it ends just south of Nova Scotia with Jose but doesn't look like it is going to hit. Move that track a hundred or two hundred miles west and somebody gets another storm. GFS doesn't show anything beyond Jose in either the EPAC or the Atlantic through the end of its run.
Last edited by Steve on Sat Sep 02, 2017 12:02 am, edited 2 times in total.
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Re: ATL: IRMA - Models

#2725 Postby Mouton » Sat Sep 02, 2017 12:00 am

I think the GFS is on a trip....otherwise, buffolo will get a major surprise!

This run is about 2 degrees farther west than the previous run in the area of No Florida. The Euro is farther west by a few degrees at the same point. To me the models are beginning to loosely agree and could end up with a landing between Cape Canaveral and the No and So Carolina borders with the angle of attack increasing the risk to the north of that cone. Granted this is seven or more days out but these models are trending together. That 1032-1028 massive high is not going to let this go east, and if so, not very much once it begins its curve to the North IMO. The recent GFS with the south east view had a had a low reading of 896, if so, it would indicate a cat 5 storm which I doubt given the surface water temp at 30north lat.
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Re: ATL: IRMA - Models

#2726 Postby Blinhart » Sat Sep 02, 2017 12:03 am

Steve wrote:Future Jose. It's massive. Haha. Let's hope the GFS doesn't continue to trend south. If it does, clearly the pattern is farther west than what this run shows. And future Jose would probably hit North Carolina. For now it stays out to sea and really deepens while still tropical pretty far north. You don't see that every day on a model. Run it on the North Atlantic view - which reminds me I need to make Levi a donation soon.

https://www.tropicaltidbits.com/analysi ... 200&fh=360


Just ran the HWRF-P on that site, that is pretty scary.
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Re: ATL: IRMA - Models

#2727 Postby pcolaman » Sat Sep 02, 2017 12:07 am

Mouton wrote:I think the GFS is on a trip....otherwise, buffolo will get a major surprise!

This run is about 2 degrees farther west than the previous run in the area of No Florida. The Euro is farther west by a few degrees at the same point. To me the models are beginning to loosely agree and could end up with a landing between Cape Canaveral and the No and So Carolina borders with the angle of attack increasing the risk to the north of that cone. Granted this is seven or more days out but these models are trending together. That 1032-1028 massive high is not going to let this go east, and if so, not very much once it begins its curve to the North IMO. The recent GFS with the south east view had a had a low reading of 896, if so, it would indicate a cat 5 storm which I doubt given the surface water temp at 30north lat.



I think until the models are about 5 to 6 days out ,we won't know for sure the exact track she will take. Until then we can't help but to notice the overall trend and that's west. Imho
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Re: ATL: IRMA - Models

#2728 Postby AtlanticWind » Sat Sep 02, 2017 12:08 am

I don't think anything is remotely set in stone other than maybe the 96 hour forecast.
Irma could still end up going thru florida into the eastern gulf to staying offshore
the U.S, A couple more days and we may start to get a true idea.
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Re: ATL: IRMA - Models

#2729 Postby Steve » Sat Sep 02, 2017 12:11 am

Blinhart wrote:
Steve wrote:Future Jose. It's massive. Haha. Let's hope the GFS doesn't continue to trend south. If it does, clearly the pattern is farther west than what this run shows. And future Jose would probably hit North Carolina. For now it stays out to sea and really deepens while still tropical pretty far north. You don't see that every day on a model. Run it on the North Atlantic view - which reminds me I need to make Levi a donation soon.

https://www.tropicaltidbits.com/analysi ... 200&fh=360


Just ran the HWRF-P on that site, that is pretty scary.


Damn. Haha. You're going to make me go look at it. By the way, check out the NCPE which is the NCEP GFS Ensemble forecast for the MJO.
http://www.cpc.ncep.noaa.gov/products/p ... r_wh.shtml

I'm not embrionically versed enough to know all the temperature or rainfall patterns that occur in what months under what phases. But I guarantee that if the GFS Ensembles are blasting us that far into Phases 8 and 1, you could see how there might be 2 very strong hurricanes near the SE US in the first couple of weeks of September.
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Re: ATL: IRMA - Models

#2730 Postby toad strangler » Sat Sep 02, 2017 12:14 am

GEFS are still mainly south although not as clustered on FL. The consensus has moved N but not the overall target area.
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Re: ATL: IRMA - Models

#2731 Postby Mouton » Sat Sep 02, 2017 12:20 am

pcolaman wrote:
Mouton wrote:I think the GFS is on a trip....otherwise, buffolo will get a major surprise!

This run is about 2 degrees farther west than the previous run in the area of No Florida. The Euro is farther west by a few degrees at the same point. To me the models are beginning to loosely agree and could end up with a landing between Cape Canaveral and the No and So Carolina borders with the angle of attack increasing the risk to the north of that cone. Granted this is seven or more days out but these models are trending together. That 1032-1028 massive high is not going to let this go east, and if so, not very much once it begins its curve to the North IMO. The recent GFS with the south east view had a had a low reading of 896, if so, it would indicate a cat 5 storm which I doubt given the surface water temp at 30north lat.



I think until the models are about 5 to 6 days out ,we won't know for sure the exact track she will take. Until then we can't help but to notice the overall trend and that's west. Imho


As they say in investing, the trend is your friend. The trend here is to the west with the GFS. Beyond five days it is all speculation at this point is a given but the set up seems to be not in favor of a move to sea.
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Re: ATL: IRMA - Models

#2732 Postby Bocadude85 » Sat Sep 02, 2017 12:20 am

0z HMON is about 1 degree WSW of the 18z position at 102 hours.
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Re: ATL: IRMA - Models

#2733 Postby Steve » Sat Sep 02, 2017 12:24 am

Out to 144 (6 days) NAVGEM is NE of the islands and Puerto Rico and northeast of the GFS. Of note, it develops the system in the BoC and spins it around. It's at 1005mb also at 144 hours.
https://www.tropicaltidbits.com/analysi ... s=0&ypos=0

Blinhart,

That HRWF-P run is insane.
https://www.tropicaltidbits.com/analysi ... s=0&ypos=0
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Re: ATL: IRMA - Models

#2734 Postby SouthFLTropics » Sat Sep 02, 2017 12:27 am

Ensembles shifted NE...not so clustered on Florida

Image
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Re: ATL: IRMA - Models

#2735 Postby SouthFLTropics » Sat Sep 02, 2017 12:30 am

HMON finished

Image
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Re: ATL: IRMA - Models

#2736 Postby AutoPenalti » Sat Sep 02, 2017 12:37 am

SouthFLTropics wrote:Ensembles shifted NE...not so clustered on Florida

Image

That's interesting, SE FL seems a little less out of the area for now.

But that could change real quick.
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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: IRMA - Models

#2737 Postby USTropics » Sat Sep 02, 2017 12:38 am

Here is a breakdown of the 51 ECMWF ensemble members with the 12z suite (this is for long range forecasts only):

16 recurves - https://image.ibb.co/gmn6Gv/recurve.gif
12 Nova Scotia/Newfoundland - https://image.ibb.co/mdDP3a/ns_nf.gif

10 Florida
Image

10 Carolinas
Image

2 Northeast
Image

1 failed initialization/dissipation
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Re: ATL: IRMA - Models

#2738 Postby Steve » Sat Sep 02, 2017 12:41 am

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Re: ATL: IRMA - Models

#2739 Postby Digital-TC-Chaser » Sat Sep 02, 2017 12:45 am

Image
That looks quite a steep recurve in the track.
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Re: ATL: IRMA - Models

#2740 Postby AxaltaRacing24 » Sat Sep 02, 2017 12:48 am

Image
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