danielwAdministrator
(Moderator)
Thu Sep 11 2008 04:59 PM
5 PM Discussion

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