Video of major tornado that struck Ardmore OK on May 7 1995. Tornado at peak of its intensity was 1/2 mile wide. The tornado formed in Texas and traveled to the north side of Ardmore , as it passed through the Falconhead resort area in Love county. It killed 3 people .
Update info courtesy of ductmanokla.
On May 3, 1999, 66 tornadoes broke out in Oklahoma and Kansas. The most significant tornado first touched down southwest of Chickasha, Oklahoma, and became an F5 before dissipating over Midwest City, Oklahoma. The tornado tore through Bridge Creek, Oklahoma and Moore, Oklahoma, causing $1.1 billion in damage. Forty-eight people perished during the outbreak.