Summer Storms The Nature of Things : Season 7 Episode 8

A look at the activities of the Stormy Weather Group, scientists at Montreal's McGill University and Macdonald College who study the pheonomena of summer storms, especially, the capricious Prairie hailstorms. A visit to Dorval Airport provides a look at the weather reading systems which, with the aid of weather satellites, give instant readings of weather fronts and continental cloud cover.