Explore the groundbreaking Charney Lecture delivered by J. Michael Wallace at the 1999 AGU Spring Meeting. Delve into historical perspectives on atmospheric patterns, including Walker's Pattern and the Zonal Index Cycle. Examine the leading EOF, Arctic Oscillation, and trends in rainfall and ozone. Investigate geopotential height, annular modes, and jet regimes. Gain insights into key atmospheric concepts such as memes, image domains, and species. Despite potential rendering issues due to the age of the original file, this 53-minute presentation offers valuable knowledge for those interested in atmospheric sciences and climate patterns.