Julie Demuth is a scientist at the National Center for Atmospheric Research with a background in meteorology and atmospheric science. Demuth is an expert on risk communication, perception, and decision-making among forecasters and the public. Her work centers on improving forecast communication, including how information, in conjunction with other factors, influence what people think and feel and how they respond. For instance, Demuth is studying how previous experiences change the way people perceive risk and weather warnings. Demuth is also leading a project that involves analyzing social media to understand people's evolving risk assessments as a tornado threat unfolds in space and time.