The Washington Post says theF3 tornado over the weekend in Kentucky was caused by global warming.
The US has been hit by six F5 winter tornadoes since 1950, the last ones occurring fifty years ago.
1953-12-05 MS 1957-12-18 IL 1971-02-21 LA 1971-02-21 LA 1971-02-21 MS 1971-02-21 MS
The number of F3-F5 winter tornadoes has been declining in the US for 70 years.
Illinois was hit by an F5 tornado on December 18, 1957.
The day before the tornado the National Weather Service wrote about an F3 tornado which hit Kentucky in 1952,
On New Years Eve 1951, Barbourville, Kentucky was 79 degrees.
Bad weather caused the catastrophic loss of two military planes.