The two boaters and Johnson's dog were not hurt. The National Weather Service confirmed this was an E-F3 tornado with peak winds of 138 miles per hour.
Reflectivity of the supercell that produced the Moore, Oklahoma tornado on May 3, 1999 ... cars lifted off ground. EF-3 (136-165 mph) F3 (158-206 mph) Severe damage. Entire stories of well ...