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COPYRIGHT 2004 Newsweek, Inc. All rights reserved. Any reuse, distribution or alteration without express written permission of Newsweek is prohibited. For permission: www.newsweek.com
Byline: Kyle Monson
Why is there lightning during rainstorms but not during snowstorms?
--Elana Silversmith, New York, N.Y.
Those eerie flashes are possible during snowstorms, but rare. Lightning occurs when warm surface air rises rapidly and mixes with cold air higher up, forming thunderstorm clouds. "It's those tall clouds...
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