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First day of the Atlantic Hurricane season, no tropical activity on the horizon in the near term. Mid August is usually when things pick up.
Days since last H. Landfall - US: Any 284 (Idalia) , Major: 284 (Idalia) Florida - Any: 284 (Idalia) Major: 284 (Idalia)
 


News Talkback >> 2007 News Talkbacks

typhoon_tip
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Posts: 576
Re: suspcious but slow
      Mon Sep 10 2007 01:16 AM

Quote:


92L has some unpleasant early guidance taking it to the east coast of florida, and that sort of track would likely verify with ridging to the north strengthening. it isn't overtly developing as of yet, but has shown a good lengthy convective burst and some tendency to develop outflow aloft--the synoptic pattern will favor it if it starts to develop, so it's worthy of concern, if not immediately threatening.
odd first-half count on the season. five tropcial storms and two category five hurricanes. beam me up, mr scott.
HF 2110z09september




I am a bit mystified at 92L this evening... Amazing deterioration has taken place since 3pm; yet despite the now complete absence of convection (there is 0!) there remains a fairly tight vortex signature by satellite alone. This may be a mid-level circulation, however, one that did not get a chance to come down to the surface because the convection spontaneously and rather inexplicably evaporated.

There may be some dry air contamination but the water vapor imagery shows that the column colocated with 92L is actually moist; so it is not really clear whether this is even ingesting outside the moist domain of the interior.

SAL is not a factor at this time, either.

The streamline analysis at 850mb level suggests some modest convergence, while the streamline analysis at 200mb level shows a strong divergence:
850: http://www.nhc.noaa.gov/tafb/QUNA00.jpg
200: http://www.nhc.noaa.gov/tafb/QHQA17.jpg
...These two factors should be generally favorable when in tandem. (convergence/divergence couplet in the 850mb and 200mb levels respectively is an initially favorable atmospheric circulation pattern for TC genesis)

Oceanic heat content is sufficiently present.

Not sure why this thing suddenly stopped convection

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Entire topic
Subject Posted by Posted on
* (Not a) Very Busy Week in the Tropics MikeCAdministrator Mon Sep 10 2007 01:16 AM
. * * Tropics TeamJP2002   Thu Sep 13 2007 05:15 AM
. * * Re: now and then cieldumort   Wed Sep 12 2007 02:11 AM
. * * Re: now and then tekkrite   Wed Sep 12 2007 02:09 AM
. * * Re: now and then Hugh   Wed Sep 12 2007 12:52 AM
. * * now and then HanKFranK   Tue Sep 11 2007 10:13 PM
. * * Re: (Not a) Very Busy Week in the Tropics allan   Tue Sep 11 2007 10:05 PM
. * * Re: (Not a) Very Busy Week in the Tropics Beaumont, TX   Tue Sep 11 2007 09:59 PM
. * * Re: (Not a) Very Busy Week in the Tropics allan   Tue Sep 11 2007 09:38 PM
. * * Re: (Not a) Very Busy Week in the Tropics punkyg   Tue Sep 11 2007 09:27 PM
. * * Re: (Not a) Very Busy Week in the Tropics Beaumont, TX   Tue Sep 11 2007 08:28 PM
. * * Re: (Not a) Very Busy Week in the Tropics LoisCane   Tue Sep 11 2007 07:38 PM
. * * Re: (Not a) Very Busy Week in the Tropics punkyg   Tue Sep 11 2007 07:36 PM
. * * Re: (Not a) Very Busy Week in the Tropics cieldumort   Tue Sep 11 2007 06:56 PM
. * * Re: (Not a) Very Busy Week in the Tropics allan   Tue Sep 11 2007 04:20 PM
. * * 90 And 92L Removed Monday 9-10-07 ltpat228   Tue Sep 11 2007 04:04 PM
. * * Re: 92L and GOM weather999   Tue Sep 11 2007 03:45 PM
. * * Re: 92L and GOM HanKFranK   Mon Sep 10 2007 11:48 PM
. * * Re: 92L and GOM weatherguy08   Mon Sep 10 2007 09:17 PM
. * * Re: 92L and GOM RayRayfromLa   Mon Sep 10 2007 09:07 PM
. * * Re: 92L and GOM weatherguy08   Mon Sep 10 2007 08:51 PM
. * * Re: 92L and GOM LoisCane   Mon Sep 10 2007 08:03 PM
. * * Re: 92L and GOM Ed in Va   Mon Sep 10 2007 07:40 PM
. * * Re: 92L and GOM scottsvb   Mon Sep 10 2007 07:07 PM
. * * Re: 92L and GOM tumbleman   Mon Sep 10 2007 06:16 PM
. * * Re: 92L and GOM Ed in Va   Mon Sep 10 2007 05:58 PM
. * * 92L and GOM danielwAdministrator   Mon Sep 10 2007 05:12 PM
. * * What was 92L... Beach   Mon Sep 10 2007 04:21 PM
. * * 90L and 92L Removed ltpat228   Mon Sep 10 2007 03:03 PM
. * * Re: Very Busy Week in the Tropics allan   Mon Sep 10 2007 02:34 PM
. * * Re: Very Busy Week in the Tropics drohner   Mon Sep 10 2007 10:36 AM
. * * Re: suspcious but slow cieldumort   Mon Sep 10 2007 02:58 AM
. * * 91L getting better organized punkyg   Mon Sep 10 2007 02:41 AM
. * * Re: suspcious but slow typhoon_tip   Mon Sep 10 2007 02:10 AM
. * * Re: suspcious but slow typhoon_tip   Mon Sep 10 2007 01:16 AM
. * * Re: suspcious but slow HanKFranK   Mon Sep 10 2007 01:12 AM
. * * Re: suspcious but slow TampaBayHurricaneChaser   Sun Sep 09 2007 11:05 PM
. * * suspcious but slow HanKFranK   Sun Sep 09 2007 09:10 PM
. * * Re: Very Busy Week in the Tropics Storm Hunter   Sun Sep 09 2007 05:26 PM

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