Snow can disappear straight into the atmosphere in hot, dry weather

  • Written by: Steven R. Fassnacht, Professor of Snow Hydrology, Colorado State University
Snow can disappear straight into the atmosphere in hot, dry weatherIn high alpine terrain, sun and dry air can turn snow straight into water vapor. Jeffrey Pang/WikimediaCommons, CC BY

Creeks, rivers and lakes that are fed by melting snow across the U.S. West are already running low as of mid-July 2021, much to the worry of farmers, biologists and snow hydrologists like me. This is not surprising in California,...

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