Robert Molleda, a warning coordination meteorologist for the National Weather Service Miami forecast office, holds a weather map while he explains forecasting methods and models used to predict storms at the National Weather Service and the National Hurricane Center Miami, Florida, Sept. 15. The National Weather Service works to provide accurate forecasts and warnings for the protection of life and property, and enhancement of the national economy. (U.S. Air Force photo by Senior Airman Aja Heiden)