Hurricane Erin has quickly intensified into a Category 4 major hurricane as it moves through the Atlantic. Satellite images show Erin has developed a small eye and a well-organized inner core — signs of a strong and powerful storm.

Charley roared ashore near Cayo Costa, Florida, or west of Fort Myers, packing maximum sustained winds of 150 mph on the afternoon of Aug. 13, 2004. The intensification of Charley prior to landfall was a worst-case scenario since nearly eight hours earlier over the eastern Gulf, it was a Category 2 with 110 mph winds.