Wednesday, September 1, 2010

Hurricane Earl ~ Category 4 Hurricane

A lot of folks have posted things on their websites and blogs on Hurricane Earl.  I cannot let this historic, near miss, Hurricane go by without a few comments.  Hurricane Earl, a Category 4, Hurricane on the Saffir-Simpson wind scale is having effects already on the east coast.  Damage has been reported in the leeward Islands as well as Puerto Rico, but they were spared the brunt of the Hurricane.

As of 7 p.m. CDT Earl was located at 27.2 N and 73.5W or about 565 miles south/southeast of Cape Hatteras, NC.  Maximum sustained winds are 135 mph with a movement to the North/Northwest (330 degrees) at 18 mph.  Hurricane force winds extend outward up to 90 miles and Tropical Storm Force winds extend outward 200 miles.  The minimum central pressure is 941 millibars.

Sea temperatures near and just ahead of Earl are warm enough to allow it to overcome some of the shear associated with the approaching trough.  However, an overall loss of intensity is expected as Earl approaches the eastern seaboard.  In addition, the forecast models are indicating Earl will take a more northerly track as it approaches the Carolinas.  This is good news for the east coast residences.  Here is a look at the SST's Earl has to work with:



Hurricane Earl is still forecasted to approach the North Carolina coast during the day on Thursday and move over the outer banks through the night Thursday.  This is a major Hurricane approaching the US mainland.  Persons in these areas should be prepared now for Hurricane and/or Tropical Storm conditions the next 72 to 96 hours.








Image Courtesy of NASA Goddard Photo and Video Page on Flickr.com

The trough that brought the rain and thunderstorms overnight is, most likely, going to be the saving grace for the mid-Atlantic states.  (Visible in the above image)  The trough, along with increased shear, will interact with Earl and push it out to sea, allowing only a glancing blow to the eastern seaboard.  Albeit, damage may be significant but not near the damage that a landfalling major hurricane would cause.  Here is the NAM-WRF forecasted position as of 7 a.m. Friday morning September 3:







Currently, Hurricane/Tropical Storm Watches and Warnings are up all along the eastern seaboard.  Here is the latest watch/warning information from the NHC. ~ CS


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