ATL: CRISTOBAL - Models

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Re: ATL: THREE - Models

#181 Postby gatorcane » Mon Jun 01, 2020 8:18 pm

18Z GFS ensembles have a huge spread from as far east as just north of Tampa, FL and as far west as Houston, Texas

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Re: ATL: THREE - Models

#182 Postby Aric Dunn » Mon Jun 01, 2020 8:23 pm

notice besides the silly GFS.

the cyclonic loops is becoming less pronounced.

each run it is smaller and tighter and not as far west..

means there is less GYRE motion interaction. which will equal to more meandering ... also notice TD3 has not moved all that much to the wnw. when at this point all the models had to booging through the cyclonic loop..

expect things to align more with not moving over mexico.
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Re: ATL: THREE - Models

#183 Postby cycloneye » Mon Jun 01, 2020 8:26 pm

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Re: ATL: THREE - Models

#184 Postby stormlover2013 » Mon Jun 01, 2020 8:29 pm

18z has tx all over it if ridge builds in
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Re: ATL: THREE - Models

#185 Postby Blinhart » Mon Jun 01, 2020 8:33 pm




So anywhere from strong TS to possible Cat 3, if those pressures pan out, great no idea what to expect.
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Re: ATL: THREE - Models

#186 Postby Steve » Mon Jun 01, 2020 9:47 pm

NAM 12km still has it spinning in the Bay of Campeche possibly beginning to lift at the end of it's 84 hour run (valid 7am Friday). If that's the case, maybe we will have a clear idea of track or not. But it would seem like Sunday/Monday could be the earliest anything could landfall along the North Gulf Coast (could get to S/SETX quicker if it doesn't initially move North or Northeast before (if) it begins to move off to the NW. It would probably be more like late Monday/Tuesday unless the forward motion was faster than 10-12mph or so (I didn't do the math, just based on mental estimates). This bears out in Beven's 120 hour position which still has it at 22.5N. Most of the North Gulf is 29/30ish.

Of course 20 degrees North is out of the NAM's range, and you don't look to it for genesis anyway. But the spin is recognizable.
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Re: ATL: THREE - Models

#187 Postby TheProfessor » Mon Jun 01, 2020 10:23 pm

0z ICON a touch southeast of it's 18z run, it's keeping it very close, but just off the coast so far.
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Re: ATL: THREE - Models

#188 Postby TheProfessor » Mon Jun 01, 2020 10:47 pm

0z ICON ends up being a bit east of the 18z run through hour 114 and then begins to bend west as it approaches the Louisiana coast and then eventually landfalls near Galveston.
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Re: ATL: THREE - Models

#189 Postby NDG » Mon Jun 01, 2020 10:56 pm

Every mile counts and every hour counts, I wouldn't pay too much attention to models past 24 hrs, just 3 days ago the GFS was showing the system to be on EPAC side tomorrow night.

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Re: ATL: THREE - Models

#190 Postby Steve » Mon Jun 01, 2020 11:01 pm

TheProfessor wrote:0z ICON ends up being a bit east of the 18z run through hour 114 and then begins to bend west as it approaches the Louisiana coast and then eventually landfalls near Galveston.


It's generally shown this to be a fairly concentric and tight system. Landfall looks to be around midnight Sunday night/monday morning, 970's Galveston. Most of the weather is in the Gulf. One benchmark is 96 hours (7pm Friday night CDT) where the core is just to the NW tip of the Yucatan after moving jaggedly up the coast.
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Re: ATL: THREE - Models

#191 Postby floridasun78 » Mon Jun 01, 2020 11:02 pm

new gfs have new low form nw carribbean and low in boc get pull south weaking but still loading (( update now their no low with td3 so look like die over Yucatán Peninsula ))
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Re: ATL: THREE - Models

#192 Postby Steve » Mon Jun 01, 2020 11:19 pm

GFS is a little sloppier and slower than the ICON to the NW Tip of the Yuctan by about 6 hours. It's currently out to 126hours (1am Sunday morning) 25.7/90.7 +/-. That's due south of Houma, LA and still slightly south of the TX/Mex border. Large shield of reds just off the LA Coast. Obviously you don't want that rotating through on an E to W trajectory.

Up to 138 hours, it looks like the GFS really doesn't get this that strong. Appears that the center is doing that top wobbling thing (can't ever remember what they call it) and keeps it in the 990's at least through now. Appears to be just south of Grand Isle with the heaviest shields across SELA over to St. George or so throughout. Will be interesting to see what the total rainfall it shows is as well as whether it comes north or moves off to the west.
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Re: ATL: THREE - Models

#193 Postby Steve » Mon Jun 01, 2020 11:29 pm

GFS goes into Abbeville 7am Monday morning and then moves north up through the Piney Woods. Through 186 hours, the most rain shown is around Apalachicola.


https://www.tropicaltidbits.com/analysi ... 200&fh=204
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Re: ATL: THREE - Models

#194 Postby Astromanía » Mon Jun 01, 2020 11:29 pm

ICON is the most agressive model by far
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Re: ATL: THREE - Models

#195 Postby Steve » Mon Jun 01, 2020 11:35 pm

GFS is a little sloppier and slower than the ICON to the NW Tip of the Yuctan by about 6 hours. It's currently out to 126hours (1am Sunday morning) 25.7/90.7 +/-. That's due south of Houma, LA and still slightly south of the TX/Mex border. Large shield of reds just off the LA Coast. Obviously you don't want that rotating through on an E to W trajectory.
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Re: ATL: THREE - Models

#196 Postby Steve » Mon Jun 01, 2020 11:36 pm

CMC has gotten substantively better over the last season or two. It's slightly faster than ICON at 96 hours and has it a bit NW of where ICON is progged to be then, but close to the intensity that GFS has all the way at landfall whereas CMC is only at about 22.5N. CMC is at about 998 at this point whereas GFS is like 997 at landfall. So the CMC will probably get stronger. Let's see where it goes.
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Re: ATL: THREE - Models

#197 Postby stormlover2013 » Mon Jun 01, 2020 11:40 pm

CMC farther west
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Re: ATL: THREE - Models

#198 Postby Steve » Mon Jun 01, 2020 11:41 pm

https://www.tropicaltidbits.com/analysi ... 0200&fh=18

HWRF has it stronger in 18 hours than GFS does at Landfall in SWLA next week. Haha. I don't know if it'll be 994 tomorrow afternoon, and the HWRF can be aggressive. But it's running now. Will check on CMC in a minute, but I'm probably not staying up for the European.
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Re: ATL: THREE - Models

#199 Postby Steve » Mon Jun 01, 2020 11:47 pm

CMC almost mirrors the GFS in track and intensity hitting around Abbeville/Vermilion Bay/Pecan Island about 1:00am Monday morning as a 996 on simulated radar (GFS landfalls around 997). So slightly faster than GFS but it's hard to tell for sure on 6 hour plots.

https://www.tropicaltidbits.com/analysi ... 200&fh=150
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Re: ATL: THREE - Models

#200 Postby Wx_Warrior » Mon Jun 01, 2020 11:48 pm

Hate to get OT, but real question for admins / can you mute people on here like FB unfollow & Twitter mute ???
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