fellow of the American Geophysical Union and a foreign member of the Norwegian Academy of Science and Letters and has served on several National Research Council committees, including the Panel on Climate Variability on Decade-to-Century Timescales, and is currently a member of the National Research Council’s Board on Atmospheric Sciences and Climate. He received his Ph.D. in astronomy from Yale University.

Marilyn Wolfson is assistant group leader of the Weather Sensing Group at the Massachusetts Institute of Technology Lincoln Laboratory. She has served as leader of the Federal Aviation Administration Aviation Weather Research Program’s Convective Weather Product Development Team, a large team of collaborating researchers from four major laboratories and other universities, since its inception in 1996. Her research interests focus on aviation weather, particularly convective weather research. She and her project team have also worked on the critical aviation need for automated tactical convective weather forecasts with the development and deployment of accurate 1- to 2-hour forecasts tailored to terminal and en route users. Dr. Wolfson has served on the National Research Council’s National Weather Service Modernization Committee and the Committee on Meteorological Analysis, Prediction and Research. Dr. Wolfson received her Ph.D. in meteorology from the Massachusetts Institute of Technology.