The structure remains - but not much else - after a Oklahoma City-area tornado. FACING Photo courtesy Lamar Advertising Up To Weather's Worst By K. Schipper When bad weather strikes a billboard, there's wind, and rain ... and the law. Particularly with unexpected wind events - severe thunderstorms and tornadoes - the damage may be far beyond a repair job, as reconstruction often leads to meeting more-restrictive codes. 25 | out of home magazine | july | august 2014 billboard