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Major Hurricane Irene live tracking


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FYI, Euro ensemble mean is a hair further southwest than the Op Euro...most members take it about 100-150 miles off the N FL/GA coast and into SC. After 144 hours, the ensemble cluster diverges dramatically. 144 hour ensembles have 1-2 members in the NE Gulf and 1-2 near Cape Hatteras (out of several dozen members), with the rest focused on SC/GA. That spread at 168 hours widens to just south of Cape Cod to Mobile Bay with the cluster ranging from Savannah to Wilmington. Worth noting for those up the coast, the operational Euro appears to be on the northwest edge of the ensemble guidance. In other words, we have a long way to go for those up the coast and forecast confidence nosedives, probably more than usual beyond day 5-6.

Worth repeating. For those 'sold' on any one track, there will be a G-IV mission for upper air data @ 00Z.

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Absolutely. Of more interest to me is that they now have the forecast track in the shorter term going across PR, just skimming the northern part of Hispaniola, and going north of Cuba. If that track holds for the next couple of advsiories, would expect an increase in the forecast intensity.

Yep-- totally. And with just a tiny shift further N with the forecast track, the cyclone 1) mostly misses the Greater Antilles and 2) has more time over water before hitting the USA. So if the models keep right and tonight's forecast track correspondingly shifts right a little more, the implications with regard to the intensity forecast (especially at Day 5) will be dramatic, to say the least.

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Station just gusted to 60 knots

http://www.ndbc.noaa...p?station=chsv3

Winds have also shifted to close to due N as well. So the center will either go right over or just North. If the center stays on the Nothern, flatter coast of the Domican Republic as current models suggest at the very least we ca probably rule out any significant disuption to the circulation (although the winds will probably go down a bit). Per NHC 5 pm disco it is in fact getting better organized and not simply an artifact to the storm getting closer to the radar site.

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Perhaps a shift in movement soon.... Right now, extrapolation takes it S of PR actually..

yeah, per radar the "eye" looks to be moving west or slightly south of west, but with the new storms firing over the northern part of the system it may tug the center a little further north tonight.

avn-l.jpg

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Remember, at this range, to take general banter on regional effects to regional subforums. Since these three crews are probably the worst with that, here's some direct links:

Southeast

http://www.americanw...-the-southeast/

Mid Atlantic

http://www.americanw...al-wishcasting/

New England

http://www.americanw...rricane-thread/

Just because the eyes are here doesnt mean you need to post every thought that comes to your head here!

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I think I understand why some of these runs have been taking Irene dead across the big H and somehow manages to find the courage to go on living - that is truly an titanically large circulation field on this TS.... I've seen extratropical cyclones with less areal coverage.

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Interesting analysis from CHS NWS:

Wednesday...this appears to be a pivotal day in regards to Irene...as a short wave now in the Canadian rockies looks to drop into the trough over or near the East Coast. If this were to occur it might keep the trough in the area longer...which in turn could pull Irene more north and quicker. Many of the model guidance is supportive of this idea with some indications that Irene could stay over the Atlantic. This may be optimistic...but is certainly a possibility. But it is only one model run...so you are strongly advised to refer to the National Hurricane Center for the latest information on Irene.

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Based on radar, the southern and southwestern flanks of the system seem to be organizing nicely into a solid band of precip. The northern and northwestern part was already good, and the eastern portion might be organizing, too (though it's kinda hard to tell if that's just due to it coming into radar range).

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This is an interesting radar loop. YOucan really see about 3 different centers cycle in and out of observation - clearly a system still organizing.

The spiral band around the last recognizable center is definitely notable. Looks like that should organize into the dominate center of circulation this evening

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