19 August 2009

Bill strengthens to a Category 4 hurricane...

Since yesterday's update, Bill went from 90kts to 115kts and from a central pressure of 963mb to 950mb.  Those figures are as of 15Z today.  As I type this update, a reconnaissance aircraft is heading into the core of the storm to determine the latest winds and pressure.  Hurricane Bill is located about 1000 miles SSE of Bermuda and heading WNW at 16kts.  This motion is expected to turn more NW then N in the coming days, avoiding the US coast, but perhaps threatening Bermuda, Nova Scotia, Newfoundland.  Environmental conditions are favorable for additional strengthening, and Bill is forecast to reach 125kts before encountering higher shear and cooler water in 5-6 days.

If the aircraft presently investigating the storm finds anything significantly different than the current intensity, I'll likely send out another brief update, otherwise, it'll be tomorrow.


Please visit my tropical Atlantic headquarters.

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