A scientist (Gerald McRaney) perfects a tornado-warning system and tries to convince residents of a nearby town that a deadly twister is approaching.
8 March 1968
26 September 1967, Indiana, USA
14 August 1976, Winnipeg, Manitoba, Canada
19 August 1947, Collins, Mississippi, USA
June 19, 1929 in Winnipeg, Manitoba, Canada
16 June 1943, New York City, New York, USA
27 May 1971, Winnipeg, Manitoba, Canada
7 January 1959, Winnipeg, Manitoba, Canada
5 April 1970, Vancouver, British Columbia, Canada
8 November 1954
