The Effects of Hurricane Isaac in Florida were severe local flooding in South Florida and tornadoes in the central and northern portions of the state in August 2012. Hurricane Isaac formed from a tropical wave while located east of the Lesser Antilles on August 21, 2012. The storm moved westward, crossed through the Leeward Islands, and entered the Caribbean Sea on August 22. Isaac initially struggled to intensify and defied predictions of it strengthening into a hurricane. The storm made its first landfall in Haiti as a midgrade tropical storm prior to making a second one in Cuba later that day. It remained somewhat disorganized while moving through the Straits of Florida and passed near the Florida Keys on August 27. The storm threatened to strike the Tampa Bay Area during the 2012 Repub