Current Radar or Satellite Image

Flhurricane.com - Central Florida Hurricane Center - Tracking Storms since 1995Hurricanes Without the Hype! Since 1995


Sara's remnants are now in the Gulf, but are not expected to reorganize much. Elsewhere, no tropical development is anticipated.
Days since last H. Landfall - US: Any 42 (Milton) , Major: 42 (Milton) Florida - Any: 42 (Milton) Major: 42 (Milton)
None
COMMUNICATION
STORM DATA
CONTENT
FOLLOW US
 

You are not logged in. [Login] Other Forums · Search · Active Topics
New user · Who's Online · FAQ · Rules · Calendar

General Discussion >> Hurricane Ask/Tell
Previous thread Previous   View all threads Index   Next thread Next   Flat Mode Flat  

Clark
Meteorologist


Reged:
Posts: 1710
Re: Major Hurricane Dean Moving Westward
      Fri Aug 17 2007 07:00 PM

More intense hurricanes have deeper vertical circulations, meaning that they extend to higher altitudes. At higher altitudes, the mid-latitude steering patterns are often a bit better defined than they are at lower altitudes. This manifests itself in the preferred steering layers for tropical cyclones of various intensities (see http://cimss.ssec.wisc.edu/tropic/real-time/atlantic/winds/winds-dlm.html for more). Thus, for deeper storms, there is an increased likelihood of a more northerly track.

Larger, more intense storms also often have an increased magnitude to the Beta drift, a northwestward steering flow component (just a few mph in magnitude at its peak, but still significant) that can lead to an increased poleward motion of these storms. The dynamics of the beta drift and how it comes about are beyond the scope of this discussion, but basically there are gyres within each hurricane that impart a background flow toward the NW across the center of the storm's circulation.

--------------------
Current Tropical Model Output Plots
(or view them on the main page for any active Atlantic storms!)

Post Extras Print Post   Remind Me!     Notify Moderator


Entire topic
Subject Posted by Posted on
* ensemble intensities, ofci intensity spinup Fri Aug 17 2007 07:00 PM
. * * Re: Major Hurricane Dean Moving Westward Goosus   Fri Aug 17 2007 05:51 PM
. * * Re: Major Hurricane Dean Moving Westward Clark   Fri Aug 17 2007 07:00 PM
. * * Re: Major Hurricane Dean Moving Westward Brian B   Fri Aug 17 2007 06:36 PM
. * * Re: Major Hurricane Dean Moving Westward Clark   Fri Aug 17 2007 07:02 PM
. * * a spinning top on a ball....? SeaMule   Fri Aug 17 2007 10:18 AM
. * * Re: ensemble intensities, ofci intensity Clark   Fri Aug 17 2007 02:00 AM
. * * Re: ensemble intensities, ofci intensity spinup   Fri Aug 17 2007 10:24 AM
. * * Re: ensemble intensities, ofci intensity Clark   Fri Aug 17 2007 12:45 PM

Extra information
0 registered and 20 anonymous users are browsing this forum.

Moderator:  



Forum Permissions
      You cannot start new topics
      You cannot reply to topics
      HTML is disabled
      UBBCode is enabled

Rating:
Thread views: 8982

Rate this thread

Jump to

Note: This is NOT an official page. It is run by weather hobbyists and should not be used as a replacement for official sources. 
CFHC's main servers are currently located at Hostdime.com in Orlando, FL.
Image Server Network thanks to Mike Potts and Amazon Web Services. If you have static file hosting space that allows dns aliasing contact us to help out! Some Maps Provided by:
Great thanks to all who donated and everyone who uses the site as well. Site designed for 800x600+ resolution
When in doubt, take the word of the National Hurricane Center