Thomas R. Knutson is a climate modeller at the US Geophysical Fluid Dynamics Laboratory, a division of the National Oceanic and Atmospheric Administration (NOAA).
He served as a contributing author on working group 1 of the IPCC Fourth Assessment Report.
He is an Associate Editor of the American Meteorological Society's Journal of Climate.
He has published in Science, Proceedings of the National Academy of Sciences, Journal of Geophysical Research, Journal of Climate, Tropical Cyclone Research and Review, Tellus A and the Bulletin of the American Meteorological Society.
In 2004, Knutson published a paper suggesting that increases in atmospheric carbon dioxide would lead to more intense hurricanes.