Isaac began to curve northwestward due to its location between a large deep-layer low pressure area in the northwestern Caribbean Sea and a mid-tropospheric ridge over the western Atlantic . After briefly moving into the Gulf of Gonâve , the tropical storm made a second landfall near Cajobabo , Guantánamo , in Cuba at 1500 UTC later on August 25 , where damages were comparatively less severe than in Haiti . The storm paralleled the northern coast of the island prior to making a close pass of Key West , Florida , where it caused minor flood damage across the Florida Keys and South Florida upon entry into the Gulf of Mexico . The threat of tropical cyclone impacts in Tampa forced the postponing of the 2012 Republican National Convention . In the gulf , the tropical storm curved to the northwest and attained hurricane strength on August 27 near the southern Louisiana coast . Another ridge of high pressure caused Isaac to move towards the west and slow down as it made two landfalls on the state . Once it moved inland , the hurricane weakened before dissipating over Missouri on September 1
2012 Republican National Convention
2012 Republican National Convention
Effects of Hurricane Isaac in Florida