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John A. Day (May 24, 1913, Salina, Kansas – June 21, 2008, McMinnville, Oregon) was an American meteorologist, educator and sky-watching evangelist. He charted new Pan American Airways air routes throughout the Asia Pacific region in the era before weather satellites and computer-generated instant data. A photographer of nature and atmospheric phenomenon, he published numerous books, articles, atlases and cloud charts that explained the importance of weather. Popularly known as “The Cloudman” during his decades as both a college professor and lay advocate for cloud appreciation. == Early life and WWII == Day was born on May 24, 1913 in Salina, Kansas, the first child of Lenora (Wilson) and Arthur Cutler Day. He grew up in Colorado Springs, Colorado. Day graduated from Colorado College in 1936 as a physics/math major. Learning that the Boeing School of Aeronautics in Oakland, California guaranteed its graduates a job in the new field of commercial aviation, he joined Boeing’s first class in the emerging field of Aviation Weather Forecasting and then went to work for Pan Am World Airways, helping chart new air routes throughout the Pacific region for the four-engine “California Clipper” flying boats. His assignments took him to Hawaii, New Zealand, Australia, New Caledonia and Japan. In the early era before weather satellites, Pan Am had to build its own network of weather information and communication facilities using tiny Pacific atolls for bases. Forecasting was often a risky game of guesswork and guts. Day was responsible for providing accurate advance notice of inclement weather such as a rogue hurricane/typhoon or South Pacific cyclone along the 2000-mile over-water routes, ensuring passenger comfort and safety. Even under the best conditions, with plentiful weather information coming in along the routes, this was a demanding job. When war broke out in 1941, the U.S. Navy took over Pan American Airways and Day became an instant lieutenant j.g. in the USN Transport wing. He took part in several pioneering efforts, including extending flight service to Australia. In 1946, Pan Am sent him from Manila to Tokyo to provide forecasting services for the transport of UNRRA (United Nations Relief and Rehabilitation Administration) personnel from the U.S to China. The chosen route was the previously unflown great circle along the Aleutians to Tokyo through a very weather-active region. Forecasts had to be made from a very sparse network of observing stations in mainland Asia and over the western Pacific Ocean. Today this route is the expressway of flights to the Orient.〔Don Rittner, ''Notable Scientists A-Z of Scientists in Weather and Climate''〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「John A. Day」の詳細全文を読む スポンサード リンク
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