They’re treacherous. They’re terrorizing. They’re intriguing. Join WMBD/WYZZ Chief Meteorologist, Chris Yates, to unearth the truth behind tornadoes. Take a look back at some of Illinois’ most memorable twisters, learning why this area is an inviting place for storms to materialize. Study air flow patterns to determine how tornadoes are formed. Leave with a healthy respect for these formidable funnels along with safety precautions to take should you encounter one.