 The storm also spawned two tornadoes , in Collier and Miami @-@ Dade counties , one of which tore the roof off a house . The highest sustained wind speed was 53 mph ( 85 km / h ) , which was recorded at the Turkey Point Nuclear Generating Station , while the strongest wind gust was 68 mph ( 109 km / h ) off the coast of Key Largo . Strong winds in the Florida Keys downed a few trees , but minimal damage occurred otherwise . Overall , damage in Florida totaled to approximately $ 15 million ( 1999 USD ; $ 21 @.@ 3 million 2016 USD ) . 
