#1733 Postby skysummit » Wed Aug 02, 2006 11:38 am
Latest from Eglin AFB....
There have been no significant changes to Tropical Storm Chris since the special update earlier this morning. At 1000 CDT, the center of the storm was about 120 miles ENE of St Thomas in the Virgin Islands. It is expected to skirt north of Puerto Rico today and pass through the Turks and Caicos Islands of the lower Bahamas on Friday where a Hurricane Watch has been issued because Chris is expected to become a hurricane later today or tonight. There continues to be a great deal of uncertainty regarding the future intensity of the storm, primarily because atmospheric models (which have performed very well during the past couple of busy seasons) have not had a good handle on Chris yet. All global models continue to underestimate its strength and insist on weakening it with each model run, in spite of observations, radar and satellite tools that all show a trend toward a building storm.
The problems with the intensity forecast have a bearing on the future track forecast since a strong hurricane is pushed and pulled by surrounding weather patterns much differently than a weakening, shallow system (which all the models portray beyond 72 hours but seems increasingly unrealistic). Unfortunately for this portion of the Gulf Coast, intensifying hurricanes tend to want to turn toward the right (toward the North Pole in the Northern Hemisphere), so if Chris is a strong hurricane as it passes south of Miami late this weekend, it would be more likely to curve toward the Panhandle through the day on Monday. A weaker storm would tend to stay on the more westerly path toward Texas and pass well south of Eglin. So locally, we have extra incentive to root for Chris not becoming a major hurricane. By some point on Friday, we should have a much better idea of how much of a threat, if any, it will pose to our area.
Elsewhere, we continue to see signs of what may eventually become a large hurricane gathering over the eastern Atlantic. The good news is that anything forming near the African Coast is at least 8 to 10 days from any potential impact to the Gulf of Mexico.
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