This addition to the acclaimed Facts On File Dictionaries is specially designed to meet the needs of students and general readers who want a better understanding of weather and climate and its impact on their lives. Nearly 2, entries offer easy-to-understand information on a range of topics including: * Alberta clipper * Atmospheric composition * Climate changes * Cloud formation * General atmospheric circulation * Hydrologic cycle * Jet stream * Marine ecosystems * Meterological forecasting * Microclimatology * Ocean circulation * Pollution * Precipitation * Solar radiation * Weather and climate stations * Winds.