Jule Gregory Charney (January 1, 1917 – June 16, 1981) was an Americanmeteorologist who played an important role in developing weather prediction. He developed a set of equations (The Quasi-Geostrophic Vorticity Equation) for calculating the large-scale motions of planetary-scale waves. He gave the first convincing physical explanation for the development of mid-latitude cyclones known as the Baroclinic Instability theory. January 1 is the first day of the calendar year in both the Julian and Gregorian calendars. ... 1917 was a common year starting on Monday of the Gregorian calendar (see link for calendar) or a common year starting on Tuesday of the Julian calendar. ... June 16 is the 167th day of the year in the Gregorian calendar (168th in leap years), with 198 days remaining. ... 1981 is a common year starting on Thursday of the Gregorian calendar. ... Meteorology is the scientific study of the atmosphere that focuses on weather processes and forecasting. ... Weatherman redirects here. ... Rossby (or planetary) waves are large-scale motions in the ocean or atmosphere whose restoring force is the variation in Coriolis effect with latitude. ... Baroclinic Instability is a fluid dynamic instability which helps to understand some important features of the so-called large scale waves in the mid-latitude atmosphere. ...
Charney met with John von Neumann, who was an early computer pioneer and highly regarded mathematician, in the mid-1940s to discuss use of the computer in weather prediction.
Charney left the Institute in 1956 for a position as professor of meteorology at MIT (Massachusetts Institute of Technology), where he worked for 25 years and helped organize the Global Atmospheric Research Program.
Charney won several awards in his lifetime, including the Rossby Medal of the American Meteorological Society in 1964, the Hodgkins Medal of the Smithsonian Institute in 1968, and the International Meteorological Organization prize in 1971.
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