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#Ernesto expected to be Post-Trop by tonight. #99L falling apart as it enters "the graveyard" of E Caribbean. Watching #Lane in E Pac.
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Archives 2000s >> 2007 News Talkbacks

Clark
Meteorologist


Reged: Wed
Posts: 1710
Re: Memorial Day Weekend Area to Watch
      Thu May 31 2007 12:26 AM

I don't have a lot to add to what Tip and HF outlined in the past 10 posts or so, so I'll keep this brief. The way the upper level pattern has established itself, anything that develops is likely headed for the Florida panhandle. The trough over the Gulf isn't going anywhere; water vapor loops tonight clearly show it digging in over Mexico and the western Gulf and the system well to its north over the N. Plains isn't going anywhere anytime soon. Basically, what you see is what you get right now unless the pattern unexpectedly changes. Don't bank on it.

Second question is of what degree of development we are going to see. Generally, the sooner it develops, the more likely it gets a tropical classification. Though conditions are not overly favorable there in the NW Caribbean, shear is slightly weaker and upper level diffluence (winds moving apart directionally) is favorable for at least persistent convective development. It does have the Yucatan Peninsula to contend with, however, hindering those prospects in the short-term. The longer it waits to develop, the stronger the baroclinic (midlatitude) forcing it will encounter and thus the more likely it is of the subtropical or extratropical variety.

Tip made a good comment about the improved prospects if/as the storm starts to accelerate to the northeast; this would reduce the storm-relative shear across it and allow for some added development. We have seen a number of Gulf storms get going over the past 10 years under such conditions, with all of them ending up lopsided to the east and not particularly strong overall.

So, if we assume something gets going, what can we expect? Mostly rain. There likely won't be the long fetch or duration (or intensity) of winds to lead to significant surge -- whether tropical or extratropical. Storm intensity should be kept in check due to shear and cool SSTs generally in the mid-upper 70s over a shallow layer in the northern half of the Gulf. If it evolves baroclinically/extratropically, there's just not enough energy aloft over the Gulf to see it significantly deepen in that manner either. Think moderate tropical storm on the high end. It does have plenty of moisture to work with, though, and should spread all of it over Florida and the coastal SE into the coming weekend. As a result, a widespread moderate rain event is possible if not likely; generally 1-2" with spots at 3-6" depending on the track and structural evolution.

All of that said -- a hybrid cyclone heading for Florida into the weekend looks like a good bet, likely with some much needed rains for most if not all of the state. Will it be our second classified storm of the year? Jury is still out; I would tend to say no. One to watch, though.

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Subject Posted by Posted on
* Memorial Day Weekend Area to Watch danielwAdministrator Thu May 31 2007 12:26 AM
. * * Re: Memorial Day Weekend Area to Watch Hurricane29   Thu May 31 2007 09:32 AM
. * * Re: Memorial Day Weekend Area to Watch cchsweatherman   Thu May 31 2007 08:58 AM
. * * Re: Memorial Day Weekend Area to Watch HURRICANELONNY   Thu May 31 2007 07:43 AM
. * * Re: Memorial Day Weekend Area to Watch allan   Thu May 31 2007 07:41 AM
. * * Re: Memorial Day Weekend Area to Watch GuppieGrouper   Thu May 31 2007 05:41 AM
. * * Re: Memorial Day Weekend Area to Watch cieldumort   Thu May 31 2007 03:28 AM
. * * Re: Memorial Day Weekend Area to Watch Bloodstar   Thu May 31 2007 02:35 AM
. * * Re: Memorial Day Weekend Area to Watch Clark   Thu May 31 2007 12:26 AM
. * * Re: incipient system? Hurricane29   Wed May 30 2007 10:58 PM
. * * Re: incipient system? allan   Wed May 30 2007 10:38 PM
. * * incipient system? HanKFranK   Wed May 30 2007 10:23 PM
. * * Re: A Couple of Notes allan   Wed May 30 2007 08:28 PM
. * * A Couple of Notes Ed DunhamAdministrator   Wed May 30 2007 07:43 PM
. * * Re: Memorial Day Weekend Area to Watch Ron Basso   Wed May 30 2007 07:33 PM
. * * Re: Memorial Day Weekend Area to Watch Ron Basso   Wed May 30 2007 07:25 PM
. * * Re: Memorial Day Weekend Area to Watch Hurricane29   Wed May 30 2007 06:32 PM
. * * Re: Memorial Day Weekend Area to Watch typhoon_tip   Wed May 30 2007 05:51 PM
. * * Re: Memorial Day Weekend Area to Watch Bloodstar   Wed May 30 2007 05:18 PM
. * * Re: Memorial Day Weekend Area to Watch allan   Wed May 30 2007 04:55 PM
. * * Re: Memorial Day Weekend Area to Watch doug   Wed May 30 2007 04:47 PM
. * * Re: Memorial Day Weekend Area to Watch Ron Basso   Wed May 30 2007 03:30 PM
. * * Re: Memorial Day Weekend Area to Watch Hurricane29   Wed May 30 2007 03:19 PM
. * * Re: Memorial Day Weekend Area to Watch scottsvb   Wed May 30 2007 02:29 PM
. * * Re: Memorial Day Weekend Area to Watch Hurricane29   Wed May 30 2007 02:17 PM
. * * Re: New Area to Watch ??? scottsvb   Wed May 30 2007 02:15 PM
. * * Re: Memorial Day Weekend Area to Watch Ron Basso   Wed May 30 2007 02:12 PM
. * * Re: New Area to Watch ??? madmumbler   Wed May 30 2007 02:11 PM
. * * Re: Memorial Day Weekend Area to Watch Ron Basso   Wed May 30 2007 01:59 PM
. * * Re: New Area to Watch ??? scottsvb   Wed May 30 2007 01:51 PM
. * * Re: New Area to Watch ??? Hurricane29   Wed May 30 2007 01:35 PM
. * * Re: New Area to Watch ??? scottsvb   Wed May 30 2007 01:29 PM
. * * Re: New Area to Watch ??? madmumbler   Wed May 30 2007 01:07 PM
. * * Re: New Area to Watch ??? cchsweatherman   Wed May 30 2007 11:12 AM
. * * Re: New Area to Watch ??? hurricaneguy   Wed May 30 2007 10:52 AM
. * * Re: New Area to Watch ??? NewWatcher   Wed May 30 2007 10:33 AM
. * * Re: New Area to Watch ??? Hurricane29   Wed May 30 2007 10:12 AM
. * * Re: New Area to Watch ??? cchsweatherman   Wed May 30 2007 09:48 AM
. * * Re: New Area to Watch ??? Hurricane29   Wed May 30 2007 09:23 AM
. * * Re: New Area to Watch ??? allan   Wed May 30 2007 09:18 AM
. * * Re: New Area to Watch ??? flarrfan   Wed May 30 2007 08:59 AM
. * * Re: Memorial Day Weekend Area to Watch Hootowl   Wed May 30 2007 07:17 AM
. * * Re: New Area to Watch ??? cieldumort   Wed May 30 2007 05:12 AM
. * * New Area to Watch ??? danielwAdministrator   Wed May 30 2007 04:24 AM
. * * Afternoon Model Updates-NWS Melbourne,FL danielwAdministrator   Tue May 29 2007 09:47 PM
. * * Re: Memorial Day Weekend Area to Watch MissBecky   Tue May 29 2007 01:59 PM
. * * Re: Memorial Day Weekend Area to Watch Hurricane29   Tue May 29 2007 01:35 PM
. * * Re: Memorial Day Weekend Area to Watch cchsweatherman   Tue May 29 2007 01:33 PM
. * * Re: Memorial Day Weekend Area to Watch Rich B   Tue May 29 2007 12:06 PM
. * * Re: Memorial Day Weekend Area to Watch madmumbler   Tue May 29 2007 08:10 AM
. * * Re: Memorial Day Weekend Area to Watch scottsvb   Mon May 28 2007 10:40 PM
. * * Re: Memorial Day Weekend Area to Watch dem05   Mon May 28 2007 05:23 PM
. * * Re: Memorial Day Weekend Area to Watch scottsvb   Mon May 28 2007 02:28 PM
. * * Re: Memorial Day Weekend Area to Watch allan   Mon May 28 2007 01:49 PM
. * * Re: Memorial Day Weekend Area to Watch Hurricane29   Mon May 28 2007 01:40 PM
. * * Re: Memorial Day Weekend Area to Watch allan   Mon May 28 2007 01:14 PM
. * * Re: Memorial Day Weekend Area to Watch Rich B   Mon May 28 2007 05:18 AM
. * * Re: Memorial Day Weekend Area to Watch typhoon_tip   Sun May 27 2007 11:30 PM
. * * Re: Memorial Day Weekend Area to Watch LoisCane   Sun May 27 2007 06:07 PM
. * * Re: Memorial Day Weekend Area to Watch typhoon_tip   Sun May 27 2007 03:18 PM
. * * Re: i see it Clark but... allan   Sun May 27 2007 08:57 AM
. * * i see it Clark but... LoisCane   Sun May 27 2007 08:17 AM
. * * Re: Memorial Day Weekend Area to Watch Clark   Sat May 26 2007 11:41 PM
. * * Re: Memorial Day Weekend Area to Watch HURRICANELONNY   Sat May 26 2007 06:19 PM
. * * Re: Memorial Day Weekend Area to Watch Tony Cristaldi   Sat May 26 2007 06:11 PM
. * * Re: Memorial Day Weekend Area to Watch cieldumort   Sat May 26 2007 05:54 PM
. * * Quick Update danielwAdministrator   Sat May 26 2007 02:33 PM
. * * Re: Memorial Day Weekend Area to Watch Clark   Sat May 26 2007 12:32 PM
. * * Re: Memorial Day Weekend Area to Watch dem05   Sat May 26 2007 11:45 AM
. * * Re: Memorial Day Weekend Area to Watch Rich B   Sat May 26 2007 10:16 AM

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