Tornado: 'Twister' (1996)
Meteorologists trying to unravel the mystery of tornadoes, in order to develop a better warning system, go on the hunt for the titular "twisters." Homes, boats, trucks and cows go flying, as researchers on the brink of divorce, played by Helen Hunt and Bill Paxton, rekindle their relationship. In the end, they find themselves in the path of a huge F5 tornado. Who will survive?