March 1983 South Florida tornado outbreak El Niño. The Everglades–Lighthouse Point tornado featured the second-longest path recorded south of Lake Okeechobee; only one tornado in 1968 featured a longer path of in southern Florida. March 1983 South Florida tornado outbreak The March 1983 South Florida tornado outbreak was a significant severe weather event that affected the southern Florida peninsula, including the Miami metropolitan area, on March 17, 1983. A total of at least five tornadoes affected the region as many as 17 were reported, only two were confirmed in the official National Weather Service records. The strongest tornado produced F2 damage on the Fujita scale and
Okeechobee Waterway the lake. A downloadable map of the Okeechobee Waterway can be found by clicking here. Geologically and geographically, the north bank of the canal is the official southern limit of the Eastern Continental Divide. It was built/finished in 1937 to provide a water route across Florida, allowing boats to pass east–west across the state rather than traveling the long route around the southern end of the state. Lake Okeechobee and the Okeechobee Waterway Project is part of the complex water-management system known as the Central and Southern Florida Flood Control Project. The projects cover 16,000 square miles starting just south