Erin strengthens to Category 5 hurricane
Digest more
Hurricane Erin rapidly strengthened into a Category 4 storm less than 24 hours after being named the first hurricane of the Atlantic season.
Tropical Storm Erin is expected to become a hurricane later today, Aug. 15, and a Category 4 hurricane with maximum sustained winds of 130 mph over the weekend. A major hurricane is a Category 3 or stronger, with maximum sustained winds of at least 111 mph.