In this adventure swirling with cliffhanging excitement and awesome special effects, Helen Hunt and Bill Paxton play scientists pursuing the most destructive weatherfront to sweep through mid-America's Tornado Alley in 50 years. By launching electronic sensors into the funnel, the storm chasers hope to obtain enough data to create an improved warning system. But to do so, they must intercept the twisters' deadly path. The chase is on!