I Wish I Had The DragonflyTV: Weather DVD And The Segments Include:F-Scale - Melissa And Elizabeth Visit The Site Of A Recent Tornado, Examining The Damage To Determine The Tornado's Strength On The F Scale.Tornado Model - Sullivan And Alexa Engineer Their Own Tornado Model, To Explore The Forces That Produce A Tornado.Forecasting - Mari And Lindsay Test Traditional "Folk" Forecasts Against Modern Weather Predictions.Scientist Profile - Expert "Stormchaser" Howie Bluestein Investigates Hurricanes, Tornadoes And Other Wild Weather.