THE ROBERT E. HORTON LECTURER IN HYDROLOGY
Justin Sheffield
For advancing hydrologically coherent analyses of drought across time and space scales, and for pioneering the development of integrated drought monitoring tools for food-insecure countries

THE BERNHARD HAURWITZ MEMORIAL LECTURER
Christopher S. Bretherton
For fundamental advances in understanding cloud processes across scales from turbulence and convection to atmospheric waves and large-scale circulations

THE WALTER ORR ROBERTS LECTURER IN INTERDISCIPLINARY SCIENCES
John E. Walsh
For sustained contributions to understanding Arctic weather and climate, including the ecological and societal impacts of climate and cryospheric change at high latitudes