Never, Never, Never Use an Underpass as a Tornado Shelter

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Above is a screen shot from the trailer for the movie, Twisters. That, and the next scene, indicate the characters are going to get under the overpass for shelter. That is a terrible idea. The wind accelerates under bridges which makes them more hazardous, That isn't theory, people have been killed in this way.

With more tornadoes in the forecast beginning early next week, it is essential not to follow this bad advice. 

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