Twister is a 1996 American disaster drama film starring Bill Paxton and Helen Hunt as storm chasers researching tornadoes. It was directed by Jan de Bont from a screenplay by Michael Crichton and AnneMarie Martin. Its executive producers were Steven Spielberg, Walter Parkes, Laurie MacDonald and Gerald R. Molen. Twister was the secondhighestgrossing film of 1996 domestically, with an estimated 55 million tickets sold in the US.
In June 1969, 5yearold Jo Thornton Alexa Vega, her parents, and the family dog Toby seek shelter in a storm cellar from a powerful F5 tornado. This tornado is so strong that the storm cellar door is ripped off, and Jos father Richard Lineback is pulled into the storm to his death. Jo, her mother Rusty Schwimmer, and Toby survive.Twentyseven years later in present day 1996 in Oklahoma, 32yearold Jo Helen Hunt, now a meteorologist, is reunited with her estranged husband, Bill The Extreme Harding Bill Paxton, a former weather researcher and storm chaser, who has since become a weather reporter. He is planning to marry sex therapist Melissa Reeves Jami Gertz. They need Jos signature on the divorce papers and have tracked her down during an active bout of stormy weather. Jo has built four identical tornado research devices called DOROTHY, based on Bills designs. The device is designed to release hundreds of sensors into the center of a tornado to study its structure from the inside, with the purpose of creating a more advanced storm warning system. Bill and Melissa join Jo and her team of storm chasers, and the team encounters Dr. Jonas Miller Cary Elwes, a smug, corporatefunded meteorologist and storm chaser. When Bill discovers that Jonas has created a device based on DOROTHY, called DOT3, he vows to help Jo deploy DOROTHY before Miller can claim credit for the idea. ........
Source: Wikipedia