06Z 384-hr GFS Animation -- VERY Scary!

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wxman57
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06Z 384-hr GFS Animation -- VERY Scary!

#1 Postby wxman57 » Thu Aug 28, 2003 5:59 am

Good morning, all. I got up early and made a 384-hr GFS loop. Take a look:

http://home.houston.rr.com/wx/gfs06zaug28.gif[url]

First of all, I'm 100% certain we have Fabian out there now. I'm not sure what "multiple centers" the NHC was tracking overnight, but visible satellite imagery indicates a TS centered near 14.8N/37W.

For the first time, the GFS is concentrating on the REAL storm out east (TD-10) and not the disturbance to the north. As with the tropical suite, the 06Z GFS has a more westward track through 120hrs - just brushing the islands of the eastern Caribbean. But it REALLY gets interesting after 300 hours as high pressure begins blocking it after a NW turn. Note the southwest movement to Miami, stalling, then north to the Carolinas. It's indicating a pretty big/strong storm, too.

Also, the GFDL, for the first time, does NOT dissipate this storm within 24hrs. It carries it all the way out to 126hrs to near 19N/58W or so.

Now, obviously, the chances of this exact thing happening at 384 hrs is not high, but it does imply a greater threat to the east coast from FL to the Outer Banks of NC down the road.

Oh, and it also says that I will be working this coming weekend since we have customers in the NE Caribbean that may be brushed by it. :cry: [/url]
Last edited by wxman57 on Thu Aug 28, 2003 6:08 am, edited 1 time in total.
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#2 Postby cycloneye » Thu Aug 28, 2003 6:04 am

Oh my 57 not good news for us who live in Puerto Rico nor the northern islands.
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PR

#3 Postby wxman57 » Thu Aug 28, 2003 6:10 am

Right now, Cycloneye, it looks like you may just be brushed by the outer bands of the storm - just enough to make it interesting. The chances of a direct hit by the center in PR still look low.
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#4 Postby wx247 » Thu Aug 28, 2003 6:12 am

I agree. I just looked at the latest sat. pics and it does look like Fabian. Winds are now 35 mph (according to the NHC) as of the last advisory. I would bet that as long as it keeps on keepin' on (which I see no reason as to why it wouldn't... at least for the next 48-60 hours) it should be Fabian sometime in the next 12-18 hours.
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#5 Postby Tip » Thu Aug 28, 2003 6:13 am

If the 06Z GFS is correct with the strength of the ridging to the north of the storm it will hit the proverbial "box" and be annn east coast threat.
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Fabian

#6 Postby wxman57 » Thu Aug 28, 2003 6:17 am

wx247 wrote:I agree. I just looked at the latest sat. pics and it does look like Fabian. Winds are now 35 mph (according to the NHC) as of the last advisory. I would bet that as long as it keeps on keepin' on (which I see no reason as to why it wouldn't... at least for the next 48-60 hours) it should be Fabian sometime in the next 12-18 hours.


I think it is Fabian now, 247. The NHC was looking at IR satellite imagery and trying to figure out of the center was beneath the convection. They weren't sure, so they didn't upgrade it at 4am. Dvorak is saying 2.5 now - 35kts (mentioned in the NHC discussion). But I can see that the center is under the convection - not east of the convection as the NHC thought, so it is Fabian now. The NHC will upgrade it at 10am, and they'll scoot the intiial position bit farther west (with respect to the convection).
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#7 Postby Steve H. » Thu Aug 28, 2003 6:28 am

Fortunately it has it going about 10 miles east of my house (maybe 5). So it means that I'm in the clear :D Holding with my theory that the first place it shows it going it won't.....remember we're talking Florida here (Storm shield). Takes an unusual set of circumstances to get an east Florida hit. That plus the fact that the low NE of the Leewards could poke a hole in the ridge. If the high builds in after 144 hours, it will probably shift it W/WSW toward the Keys and the GOM. That's the way this usually works as far as Florida goes. Either goes north or south of the peninsula. But I would watch this one Luis (Georges) :o
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#8 Postby cycloneye » Thu Aug 28, 2003 6:30 am

The probervial words come to mind for me (TO CLOSE FOR COMFORT). :o :o
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Re: 06Z 384-hr GFS Animation -- VERY Scary!

#9 Postby Scott_inVA » Thu Aug 28, 2003 6:44 am

This "pings" the benchmark...and if consistent, gets attention.
http://www.wrel.com/modelmap.htm

Scott
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#10 Postby Lindaloo » Thu Aug 28, 2003 6:59 am

Well it is certainly not looking good for Florida and the Carolina's, according to the GFS.
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#11 Postby ameriwx2003 » Thu Aug 28, 2003 7:34 am

Wxman57.. whoaaaaaaaaa.That is a real scary loop. Its the overall pattern the GFS is implying that is scary.It is keeping for the most part ridging across the Atlantic Basin for Fabian and others behind it to be directed Westward and also like you said now maintains and strengthens Fabian.Looks like lots of Caffeine for you the next few weeks..lol
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#12 Postby GulfBreezer » Thu Aug 28, 2003 8:18 am

With the track being predicted so far out, it is all going to depend on how far the west track continues. It would not take much of a differential to make this a GOM storm versus east coast. THe time track is so unpredictable at this point and we have seen that with every system so far this season. It is definitely time to watch and be patient. It could ALL change considerably before the fat lady sings. IMHO, everyone on the EAST COAST and GULF COAST should monitor the progress. The bottom line is that the Florida Peninsula will be affected in most of the scenarios. Time to practice patience my friends..............
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#13 Postby zoeyann » Thu Aug 28, 2003 8:31 am

This may sound really silly, but this storm was looking like it could be a fish storm a few days ago. Now the models have it tracking father to the south and impacting land. For the limited time I've been trying to follow the models they seem to build in and remove highs too quickly. How will that affect the potental track in the next few days? :) Is that a completely dumb question?
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#14 Postby JCT777 » Thu Aug 28, 2003 8:46 am

zoeyann - That is not a dumb question at all. Models often flip/flop, especially when a storm is many days away. I know that in the winter, models will often show a big east coast snowstorm beyond day 5, then take it away, then bring it back, then make it an "inland runner", then have it go out to sea, then.... :roll: It's enough to make a person crazy! :23:
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#15 Postby Agua » Thu Aug 28, 2003 9:17 am

Zoey,

I'm a newbie to this stuff as well. The best I can figure with regard to these models is that their greatest value is in their ability to bring to forecasters' attention influences which *may* affect tropical cyclone tracking and allow the individual to consider those potentialities in predicting a track or potential tracks. Also, *sometimes*, when closer to landfall, they will often start coming into agreement. However, as was the case with TD 9 last week, we all saw there was strong agreement that the storm would hit Florida, then two runs later, strong agreement that the storm would cross cuba into the GOM so, go figure. However, when the models seem to get within, and this is just my observation, 72 - 48 hours of ultimate landfall, the divergent spread between the individual models seems to give a pretty good idea of the potential landfall.
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#16 Postby GalvestonDuck » Thu Aug 28, 2003 9:25 am

Agua wrote:Zoey,

I'm a newbie to this stuff as well. The best I can figure with regard to these models is that their greatest value is in their ability to bring to forecasters' attention influences which *may* affect tropical cyclone tracking and allow the individual to consider those potentialities in predicting a track or potential tracks. Also, *sometimes*, when closer to landfall, they will often start coming into agreement. However, as was the case with TD 9 last week, we all saw there was strong agreement that the storm would hit Florida, then two runs later, strong agreement that the storm would cross cuba into the GOM so, go figure. However, when the models seem to get within, and this is just my observation, 72 - 48 hours of ultimate landfall, the divergent spread between the individual models seems to give a pretty good idea of the potential landfall.


Nicely explained, Agua! :D
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#17 Postby Agua » Thu Aug 28, 2003 9:39 am

Gee, thanks Duck. I mean, you look at the models and the way they whip around wildly, and I really can't see any other use for them. Well, aside from getting people all whipped up into a frenzy when one of them points in their direction. :D
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#18 Postby Stephanie » Thu Aug 28, 2003 11:46 am

Thanks for the loop Wxman57!

That storm was actually looking like it was going to hit further north a few days ago - skim the MidAtlantic and hit New England. Either way, it looks like I may be getting something out of this! :o

I also notice that there's another one right on his tail in the Atlantic just after he hits the Carolinas.

SF - looks like your Labor Day will be okay...
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#19 Postby Steve H. » Thu Aug 28, 2003 11:50 am

Typically most CV storms are guided (somewhat by climatology) to go to the fishes. They then tend to shift or normalize as the models initialize better, then pick up on the overall pattern downstream. The pattern is wanting to build a ridge in and keep it for a while. Let's see if it (the models) maintain the ridge over the next few days. If it does then we're onto a pattern. If it does, someones in trouble!! Cheers!!
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#20 Postby ameriwx2003 » Thu Aug 28, 2003 11:55 am

The 12 Z GFS more or less maintains the same general idea though brings it to Florida quicker.Regardless its still several days out but the general trend from the models has been more Westward.Lets see if that trend continues:):)


http://www.nco.ncep.noaa.gov/pmb/nwprod ... _240.shtml

http://www.nco.ncep.noaa.gov/pmb/nwprod ... _264.shtml

http://www.nco.ncep.noaa.gov/pmb/nwprod ... _288.shtml

http://www.nco.ncep.noaa.gov/pmb/nwprod ... _312.shtml
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