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temperature inversion

(Encyclopedia) temperature inversion, condition in which the temperature of the atmosphere increases with altitude in contrast to the normal decrease with altitude. When temperature inversion occurs…

smog

(Encyclopedia) smogsmogsmŏg [key] [smoke+fog], dense, visible air pollution. Smog is commonly of two types. The gray smog of older industrial cities like London and New York derives from the massive…

Weather: Getting Down to Basics

Getting Down to BasicsWeatherWhat Should I Wear?Playing the OddsGetting Down to BasicsForecasting from the Beginning Although this introduction to weather forecasting may seem flip, it is meant to…

smoke

(Encyclopedia) smoke, visible gaseous product of incomplete combustion. Smoke varies with its source, but it usually comprises hot gas and suspended particles of carbon and tarry substances, or soot…

Weather: Radar—Scanning the Skies

Radar—Scanning the SkiesWeatherRadar and SatellitesRadar—Scanning the SkiesDoppler—the New GenerationSatellites—a Far-Out LookThe Modern EraPutting It All Together The first radar (radio detection…

air pollution

(Encyclopedia) air pollution, contamination of the air by noxious gases and minute particles of solid and liquid matter (particulates) in concentrations that endanger health. The major sources of air…