He is also notable as the doctoral advisor of the pioneer of chaos theory and early practitioner of numerical weather prediction, Edward Norton Lorenz.
[2] As a forecaster during World War II, he served as a consultant to the US Army Air Force weather service in Europe.
[2] His forecasting work was a factor in the decisions on the final bombardment of Cherbourg, France and the D-Day landing of airborne troops (see Weather forecasting for Operation Overlord), as well as the movement of advance mobile weather stations across northern France.
[2] He consulted for major power companies in the nation's first efforts to control pollution from energy-generating plants.
On June 9, 1948, he launched a nightly weather forecast on WBZ-TV, the first television program broadcast live from Boston.