Guests: Donna Charlevoix and Glen Romine.
It's estimated that 100,000 thunderstorms occur every year in the United States. They affect relatively small areas compared to winter storms and hurricanes, but can be dangerous, capable of producing tornadoes, lightning and hail. This morning on Focus, Donna Charlevoix and Glen Romine will join us from the Department of Atmospheric Sciences at the University of Illinois. We'll talk about how storms form and how forecasters work to predict their movements.