On Tuesday, April 15, 1958, a tornado outbreak produced severe weather over peninsular Florida and part of neighboring Georgia. A total of five tornadoes occurred, the strongest of which was rated F4 in Polk County, Florida, becoming one of only two F4 tornadoes recorded in the U.S. state of Florida, although the rating is disputed. The second F4 tornado occurred on April 4, 1966, in Polk County near Gibsonia and . In total, 36 people were injured during the 1958 outbreak, but no deaths were directly related to the tornadoes.