He worked for the United States Weather Bureau from 1934 until 1942, then served as a Captain to a Lieutenant Colonel with the weather service of the Army Air Corps during World War II from 1942 until 1946.
From 1934 until 1942, he was employed by the US Weather Bureau. He then served in a higher rank with the Army Air Corps' weather division from 1942 to 1946, during World War II.