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500 PM EDT THU SEP 11 2008 A PAIR OF DROPSONDES THIS AFTERNOON IN THE SOUTHEASTERN QUADRANT FINALLY PROVIDED SOME HARD DATA TO SUPPORT THE ADVISORY INTENSITY...WITH LOWER-LAYER MEAN WINDS OF 96 KT...WHICH ADJUST TO 80 KT AT THE SURFACE. AIRCRAFT DATA INDICATE THAT THE SMALL INNER WIND MAXIMUM HAS ALL BUT DISSIPATED...AND THE INNERMOST RADIUS OF MAXIMUM WINDS IS NOW AROUND 60 NMI. FLIGHT LEVEL WINDS WINDS THERE ARE ABOUT 100 KT...AND NEARLY THAT STRONG OUT TO AT LEAST 100 NMI. AS THE INNER WIND MAXIMUM DISSIPATED...THE MINIMUM PRESSURE ROSE TO ABOUT 954 MB...BUT HAS SINCE FALLEN TO 950 MB. BECAUSE OF THE VERY LARGE EXPANSE OF HURRICANE FORCE WINDS...IKE WILL CREATE A STORM SURGE WELL IN EXCESS OF WHAT WOULD NORMALLY BE ASSOCIATED WITH A STORM OF ITS INTENSITY. http://www.nhc.noaa.gov/text/refresh/MIATCDAT4+shtml/112051.shtml |