Weather by the Numbers

Weather by Numbers chronicles the rise of numerical weather prediction in the United States from the 1940s through the early 1960s. The book focuses on key figures like John von Neumann and the military and civilian scientists who developed computer-based forecasting methods. The narrative covers the institutional battles between government agencies, military branches, and academic centers as they competed for control of weather prediction capabilities. Major events like World War II and the early Cold War provide context for the push to improve forecasting accuracy through mathematical modeling. The book examines how electronic computers transformed meteorology from an observational science to one based on numerical calculations and physics. The development of numerical weather prediction marked a turning point in both meteorological practice and the relationship between science and government in postwar America. This work illuminates broader themes about the intersection of science, technology, and national security during a pivotal period of American scientific development. The transition to computer-based forecasting serves as a lens for understanding how technological innovation reshapes scientific disciplines.

Readers note this book fills a gap in meteorological history by documenting how numerical weather prediction emerged from military and research applications. Several reviewers highlight the detailed coverage of John von Neumann's contributions and the ENIAC computer's role. Readers appreciated: - Clear explanations of complex technical concepts - The focus on key historical figures and their interactions - Documentation of the transition from manual to computer forecasting Common criticisms: - Dense academic writing style - Too much institutional/administrative detail - Limited coverage of developments outside the US Ratings: Goodreads: 3.5/5 (8 ratings) Amazon: 4.2/5 (5 ratings) One researcher called it "thorough but dry," while a meteorologist praised its "comprehensive documentation of a crucial period in forecasting." Multiple readers mentioned struggling with the detailed descriptions of government committees and funding processes. JStor reviews note the book's strength in connecting military research to civilian weather prediction advances.

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🌟 During WWII, Norwegian meteorologists had to operate in complete secrecy from occupied territory, sending coded weather reports to the Allies while evading German forces 🌟 The first successful numerical weather prediction took 24 hours to calculate a 24-hour forecast - meaning by the time the prediction was ready, it was already outdated 🌟 Author Kristine Harper is both a former U.S. Navy meteorologist and a historian of science, bringing unique dual expertise to her analysis of meteorology's evolution 🌟 The development of numerical weather prediction in the 1940s and '50s coincided with early computer development - weather forecasting was one of the first major applications of electronic computers 🌟 John von Neumann, famous for his contributions to quantum mechanics and computer science, became involved in weather prediction because he believed atmospheric modeling could help understand nuclear weapon effects