The Discovery Museum asks: What is weather? How do storms form? Why does weather get violent? Explore the causes and effects of thunder and lightning, learn about wind currents, and see how tornadoes form. You won’t want to miss this exploration of some of our wildest weather! For a great demo watch our video here: What is weather? How do storms form? Why does weather get violent? Explore the causes and effects of thunder and lightning, learn about wind currents, and see how tornadoes form. You won’t want to miss this exploration of some of our wildest weather! Click here: Discovery: Violent Storms or go to our website for some Science fun. Or go to http://discoverymuseum.org/ for more great learning and fun.