Dr. Changnon’s research activities involve applied climatology, hydroclimatic variability, and synoptic climatology. He examines climate variability and extremes and their impacts in the United States, assesses the use of climate information by weather-sensitive decision makers, and develops climate-related decision-support tools for users in climate-sensitive areas such as utilities, agribusiness, recreation, transportation, and water resources. Dr. Changnon has a bachelor’s degree in engineering from the University of Illinois and master’s and doctoral degrees in atmospheric sciences from Colorado State University.