Thread: Tornado tips
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Old 05-01-2002, 12:30 PM   #21
Ryanamur
Fzoul Chembryl
 

Join Date: March 29, 2001
Location: Montréal, Canada
Age: 49
Posts: 1,763
About the taking shelter under overpasses/bridge. Yes, they are a bad idea but not because they don't protect you from debris. It's because they cause a Venturi effect. The air flow that goes under the bridge is compressed and travels faster than the airflow on top or beside the bridge. This cause an intense low pressure area (vacuum) that will just suck you out of your spot. Once you're sucked out, you're in for the ride of your life... and most often you end up loosing your life at the end of the ride.
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