Before the Storm Locate an accessible basement or corridor location in your building. Stay informed through local media sources on days when severe weather is expected. Contact the Department of Safety and Security at Purdue for more information about tornadoes. The exterior warning sirens are tested at 11 a.m. on the first Saturday of every month except during periods of adverse weather conditions. Loud roar, similar to a train.
Wind becomes calm and still.
Tornadoes generally occur near the trailing edge of a storm. When Taking Shelter Proceed to the basement of any building that has a basement or subwalk. Position yourself in the safest portion of the area away from glass. Be prepared to kneel facing a wall and cover your head. Position yourself in an interior corridor away from glass.