...STORM SURGE AND HURRICANE WARNINGS ISSUED FOR THE GULF COAST OF FLORIDA... ...HELENE'S LARGE SIZE WILL LIKELY CAUSE AN EXTENSIVE AREA TO BE AFFECTED BY THE STORM'S HAZARDS... As of 5:00 PM EDT Tue Sep 24 the center of Helene was located near 19.7, -84.7 with movement WNW at 12 mph. The minimum central pressure was 995 mb with maximum sustained winds of about 50 mph.