This tornado traveled 15+ miles from near Doe Run, south of Farmington and lifted just to the ENE of Libertyville. 22 homes were completely destroyed. There were 4 fatalities.
Seventeen tornadoes occurred on June 12, 1970 per the Storm Prediction Center Database. The strongest is the topic of this summary. It was rated F4 and traveled 16-17 miles across parts of Chariton and Macon Counties in Missouri.
The month of May in 1957 was very active. Per the NWS Paducah, approximately 231 tornadoes were reported. The Storm Prediction Center shows 18 on May 21. One of the strongest was later rated F4. The town of Fremont, MO was devastated. Per Thomas Grazulis in Significant Tornadoes, “Only seven homes were left in tact in Fremont, with possibly F5 damage to homes, schools, and businesses on the east side of town.”
This F5 is commonly known as the “Ruskin Heights Tornado” because of the tremendous damage inflicted there. It has also been called “The Kansas-Missouri Tornado” and “The Ottawa-Kansas City Tornado”. It developed southwest of Williamsburg, KS, traveled close to 70 miles and ended near Knobtown, MO. This tornado was the strongest of 35 that occurred on May 20, 1957.
Per the SPC Database, 20 tornadoes occurred on April 22, 2011. The strongest, an EF4 hit parts of the St. Louis Metropolitan Area. It reached maximum intensity as it tracked through the community of Bridgeton, just west of Lambert St. Louis International Airport, in St. Louis County.
Per the SPC, 9 tornadoes occurred on April 5, 1954 all in KS, MO and IA. The strongest for the day was given a rating of F4. Thomas Grazulis in Significant Tornadoes has a rating of F3 and notes there was “near-F4 damage”.
This was one of the strongest tornadoes of an outbreak of 23 that occurred during the evening of March 15, 1982. Most of the twisters were in Oklahoma, Kansas and Missouri. This tornado was given a rating of F3. It had a path of 70 miles. There were 2 fatalities and 8 injuries.