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Historic #HurricaneBeryl is now also the earliest #Cat 5 Hurricane in the Atlantic basin in recorded history
Days since last H. Landfall - US: Any 307 (Idalia) , Major: 307 (Idalia) Florida - Any: 307 (Idalia) Major: 307 (Idalia)
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News Talkback >> 2007 News Talkbacks

danielwAdministrator
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Loc: Hattiesburg,MS (31.3N 89.3W)
99L-Eastern Atlantic
      Tue Jul 31 2007 12:02 AM

As of Midnight Eastern time, 99L is beginning to look more like a tropical system. Newly formed, over the last 4 hours, CDO-type central convective area. Quite a bit more lightning than 4 hours ago, when there wasn't any visible in the sat imagery.
Dvorak loop indicating cloud top temperatures colder than -70C. Using the coldest IR temperatures they appear just NW of 11N/ 48W. CDO type structure is somewhat elongated to the NW. I'll call that light windshear. Not much, just enough to elongate the mid levels. NE quadrant is still lacking mid to high level clouds. Low level clouds are visible. Probably the dry air or SAL in the NE quadrant.
Long loop doesn't really reveal much more than the short loop.

Two other small areas to watch. The North Central GOM coastal area... front moving south with High Pressure over the N GOM. And the convective system just off the SC Coast.
Minor areas, and close to land... but it's nearly August and anything is possible in August.

edit: While the CDO type area certainly appears detached frrom the outer banding clouds. The speed at which the center is increasing areal coverage is amazing. One other note. I hope that Clark can offer a comment here. The clouds on the western semicircle appear to be wrapping around clockwise toward the Equator.
Early indicator of an Equatorial Outflow Channel?0414Z

99L Floater Page
99L Dvorak long loop
99L Dvorak Short Loop

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Entire topic
Subject Posted by Posted on
* Tropical Storm Chantal Forms in Atlantic No Threat to the US MikeCAdministrator Tue Jul 31 2007 12:02 AM
. * * Re: TD4? Random Chaos   Fri Aug 03 2007 07:13 AM
. * * Re: TD4? allan   Wed Aug 01 2007 06:02 PM
. * * Re: TD4? Lee-Delray   Wed Aug 01 2007 05:05 PM
. * * Re: TD4? cieldumort   Wed Aug 01 2007 05:00 PM
. * * Re: TD4? Rich B   Wed Aug 01 2007 03:18 PM
. * * Re: TD4? Hurricane Fredrick 1979   Wed Aug 01 2007 03:16 PM
. * * Re: TD4? nc_tropical_wx79   Wed Aug 01 2007 03:02 PM
. * * Re: TD4? Rich B   Wed Aug 01 2007 02:59 PM
. * * Re: TD4? LoisCane   Wed Aug 01 2007 02:56 PM
. * * Re: TD4? CaneTrackerInSoFl   Wed Aug 01 2007 02:18 PM
. * * Re: TD4? scottsvb   Wed Aug 01 2007 02:17 PM
. * * Re: TD4? nc_tropical_wx79   Wed Aug 01 2007 02:10 PM
. * * Re: TD4? scottsvb   Wed Aug 01 2007 01:56 PM
. * * Re: TD4? Steve   Wed Aug 01 2007 01:30 PM
. * * Re: TD4? Beach   Wed Aug 01 2007 01:24 PM
. * * Re: TD4? scottsvb   Wed Aug 01 2007 12:25 PM
. * * Re: TD4? Steve   Wed Aug 01 2007 11:30 AM
. * * CONDITIONS DO NOT APPEAR ESPECIALLY FAVORABLE FOR Robert   Wed Aug 01 2007 11:30 AM
. * * Re: TD4? nc_tropical_wx79   Wed Aug 01 2007 11:29 AM
. * * Re: TD4? Steve   Wed Aug 01 2007 11:26 AM
. * * Re: TD4? weather_wise911   Wed Aug 01 2007 10:56 AM
. * * Re: TD4? HCW   Wed Aug 01 2007 10:34 AM
. * * TD4? ftlaudbob   Wed Aug 01 2007 09:41 AM
. * * Re: Tropical Storm Chantal Forms in Atlantic No Threat to the US weather_wise911   Wed Aug 01 2007 01:43 AM
. * * Re: Tropical Storm Chantal Forms in Atlantic No Threat to the US cieldumort   Tue Jul 31 2007 10:59 PM
. * * Re: Tropical Depression 3 Forms in Atlantic No Threat To Land. Storm Hunter   Tue Jul 31 2007 05:30 PM
. * * Re: Tropical Depression 3 Forms in Atlantic No Threat To Land. Rich B   Tue Jul 31 2007 05:13 PM
. * * Re: Tropical Depression 3 Forms in Atlantic No Threat To Land. allan   Tue Jul 31 2007 10:45 AM
. * * Re: Tropical Depression 3 Forms in Atlantic No Threat To Land. WeatherNut   Tue Jul 31 2007 08:28 AM
. * * Re: 99L-Eastern Atlantic Random Chaos   Tue Jul 31 2007 07:58 AM
. * * Re: 99L-Eastern Atlantic Beach   Tue Jul 31 2007 06:47 AM
. * * Re: 99L-Eastern Atlantic danielwAdministrator   Tue Jul 31 2007 01:38 AM
. * * Re: 99L-Eastern Atlantic weather_wise911   Tue Jul 31 2007 01:00 AM
. * * Re: 99L-Eastern Atlantic Random Chaos   Tue Jul 31 2007 12:18 AM
. * * 99L-Eastern Atlantic danielwAdministrator   Tue Jul 31 2007 12:02 AM
. * * Re: Tropical Depression 3 Forms in Atlantic No Threat To Land. AmateurJohn   Mon Jul 30 2007 11:57 PM

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