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PBS News Hour
Tornado chasers, meteorologists working for better forecasts
Millions of moviegoers are expected to see "Twisters" this weekend, a sequel to the 1996 blockbuster. It's a summer escapist thriller that you might say goes well beyond the science and true boundaries of tornado prediction. Miles O'Brien spent some time during this busy tornado season with actual chasers and meteorologists to understand the latest research.
