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Archives 2010s >> 2010 News Talkbacks

typhoon_tip
Meteorologist

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Posts: 576

Re: Tropical Depression Six Upgraded to Tropical Storm Danielle
Mon Aug 23 2010 03:14 AM

Danielle has strengthened to a 50mph tropical storm this evening.

I have noticed that the deep convective cloud pattern has taken on much more cyclonic banding more centroid to the apparent CDO or CDO-like feature that rather abruptly exploded 3 hours ago. It is not uncommon for early developing TCs to have center jumps toward regions where UVM is persisting (the reasons can get complicated).

In any case, what appeared to be a deep plume of convection perhaps displaced slightly W of the llv circulation axis earlier this evening has become more collocated with the on-going rigorous and persistent CDO of CDO-like feature.

Also, the TC is moving more W by WNW and this forward motion is a negative vector against the incursion of ENE shear, such that storm relative shear has dropped off. That is similar to sticking your hand out a window while driving at 10 mph, with a wind at your tale of 20mph - you only experience a wind differential of 10mph. The same arithmetic applies in the atmosphere, such that a TC moving W at 10 mph with easterly shear of 20mph, only experiences 10 mph of bulk shear; which is not sufficient enough in most cases to prevent strengthening.

Any deep layer convection in that vicinity would be compelled to move more W given the surrounding environmental flow. When the convection erupted closer to the center of circulation earlier this evening, the center was pulled W and is now being guided again by a better coupled lower and middle atmospheric dynamic, both of which are then guided by the mid-level steering.

John

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Subject	Posted by	Posted on
Recurve is the Name of the Game	MikeC	Mon Aug 23 2010 03:14 AM
Danielle RECON Vortex Message	danielw	Fri Aug 27 2010 06:19 PM
Re: Recurve is the Name of the Game	danielw	Fri Aug 27 2010 05:58 PM
Re: Recurve is the Name of the Game	berrywr	Fri Aug 27 2010 03:02 PM
Re: Recurve is the Name of the Game	LoisCane	Fri Aug 27 2010 11:39 AM
Re: Recurve is the Name of the Game	Beach	Fri Aug 27 2010 11:22 AM
Re: Recurve is the Name of the Game	WeatherNut	Fri Aug 27 2010 06:24 AM
Re: Recurve is the Name of the Game	StrmTrckrMiami	Fri Aug 27 2010 02:19 AM
Re: Recurve is the Name of the Game	Ed Dunham	Fri Aug 27 2010 02:03 AM
Re: Recurve is the Name of the Game	LoisCane	Fri Aug 27 2010 01:33 AM
Re: Recurve is the Name of the Game	StrmTrckrMiami	Fri Aug 27 2010 01:14 AM
Re: Recurve is the Name of the Game	Ed Dunham	Thu Aug 26 2010 11:17 PM
Re: Recurve is the Name of the Game	LoisCane	Thu Aug 26 2010 11:09 PM
Re: Recurve is the Name of the Game	Clark	Thu Aug 26 2010 10:14 PM
Re: Recurve is the Name of the Game	berrywr	Thu Aug 26 2010 09:53 PM
Re: Recurve is the Name of the Game	WeatherNut	Thu Aug 26 2010 09:08 PM
Re: Recurve is the Name of the Game	doug	Thu Aug 26 2010 08:32 PM
Re: Recurve is the Name of the Game	Ed Dunham	Thu Aug 26 2010 06:07 PM
Re: Recurve is the Name of the Game	scottsvb	Thu Aug 26 2010 05:30 PM
Re: Recurve is the Name of the Game	MikeC	Thu Aug 26 2010 05:29 PM
Re: Recurve is the Name of the Game	Ed in Va	Thu Aug 26 2010 05:19 PM
Re: Recurve is the Name of the Game	MichaelA	Thu Aug 26 2010 04:48 PM
Re: Recurve is the Name of the Game	LoisCane	Thu Aug 26 2010 03:58 PM
Re: Recurve is the Name of the Game	MikeC	Thu Aug 26 2010 03:15 PM
Re: Recurve is the Name of the Game	Ed Dunham	Thu Aug 26 2010 01:54 PM
Re: Hurricane Danielle	RevUp	Wed Aug 25 2010 02:28 PM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	MikeC	Wed Aug 25 2010 02:40 AM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	MikeC	Wed Aug 25 2010 02:24 AM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	Ed in Va	Wed Aug 25 2010 02:19 AM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	LoisCane	Wed Aug 25 2010 02:10 AM
Re: Hurricane Danielle	Storm Hunter	Wed Aug 25 2010 01:16 AM
Re: Hurricane Danielle	berrywr	Wed Aug 25 2010 12:50 AM
Re: Hurricane Danielle	scottsvb	Wed Aug 25 2010 12:15 AM
Re: Hurricane Danielle	MichaelA	Tue Aug 24 2010 09:45 PM
Re: Hurricane Danielle	LoisCane	Tue Aug 24 2010 08:32 PM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	WeatherNut	Tue Aug 24 2010 08:07 PM
Re: Hurricane Danielle	scottsvb	Tue Aug 24 2010 07:26 PM
Re: Hurricane Danielle	MichaelA	Tue Aug 24 2010 07:10 PM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	MichaelA	Tue Aug 24 2010 07:07 PM
Re: Hurricane Danielle	scottsvb	Tue Aug 24 2010 06:50 PM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	doug	Tue Aug 24 2010 06:27 PM
Hurricane Danielle	danielw	Tue Aug 24 2010 04:24 PM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	MichaelA	Tue Aug 24 2010 04:16 PM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	scottsvb	Tue Aug 24 2010 03:12 PM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	typhoon_tip	Tue Aug 24 2010 02:52 PM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	Evan Johnson	Tue Aug 24 2010 02:43 PM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	Ed in Va	Tue Aug 24 2010 02:04 PM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	doug	Tue Aug 24 2010 01:50 PM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	berrywr	Tue Aug 24 2010 10:55 AM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	WeatherNut	Tue Aug 24 2010 03:32 AM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	Ed in Va	Tue Aug 24 2010 02:54 AM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	Ed Dunham	Tue Aug 24 2010 02:06 AM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	typhoon_tip	Tue Aug 24 2010 02:03 AM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	WeatherNut	Tue Aug 24 2010 01:56 AM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	typhoon_tip	Tue Aug 24 2010 01:20 AM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	Ed Dunham	Mon Aug 23 2010 08:13 PM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	MikeC	Mon Aug 23 2010 03:35 PM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	danielw	Mon Aug 23 2010 04:00 AM
Re: Tropical Depression Six Upgraded to Tropical Storm Danielle	typhoon_tip	Mon Aug 23 2010 03:14 AM
Re: Tropical Depression Six Forms in East Atlantic	typhoon_tip	Mon Aug 23 2010 01:44 AM
Re: Tropical Depression Six Forms in East Atlantic	MichaelA	Mon Aug 23 2010 12:09 AM
Re: Tropical Depression Six Forms in East Atlantic	typhoon_tip	Sun Aug 22 2010 09:50 PM
Re: Tropical Depression Six Forms in East Atlantic	MichaelA	Sun Aug 22 2010 07:44 PM
Re: Tropical Depression Six Forms in East Atlantic	typhoon_tip	Sun Aug 22 2010 04:34 PM
Re: Tropical Depression Six Forms in East Atlantic	weathernet	Sun Aug 22 2010 04:14 PM
Re: Tropical Depression Six Forms in East Atlantic	WeatherNut	Sun Aug 22 2010 04:09 PM
Re: Tropical Depression Six Forms in East Atlantic	typhoon_tip	Sun Aug 22 2010 03:18 PM

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