Hurricane Irma has strengthened into a Category 3 storm with winds of 120 mph. The National Hurricane Center has the storm at about 610 miles east of the Leeward Islands. NOAA
Hurricane Irma has strengthened into a Category 3 storm with winds of 120 mph. The National Hurricane Center has the storm at about 610 miles east of the Leeward Islands. NOAA

South Florida threat gradually increasing as Irma strengthens

September 04, 2017 07:09 AM