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Weather: On Another Front

On Another Front

Tornadoes and thunderstorms are the violent products of larger circulations that set off a huge variety of weather?from the all-day drizzle to the blinding blizzard to even the rip-roaring hurricane. These larger circulations are part of the medium or synoptic scale and essentially account for the majority of weather that makes headlines. Air masses, fronts, and high- and low-pressure systems all make up this thing called weather.

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Excerpted from The Complete Idiot's Guide to Weather 2002 by Mel Goldstein, Ph.D.. All rights reserved including the right of reproduction in whole or in part in any form. Used by arrangement with Alpha Books, a member of Penguin Group (USA) Inc.