Cumulonimbus cloud hurtling through the sky
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Cumulonimbus cloud hurtling through the sky

by Steffen Schweizer, Soil Science, Technical University of Munich, Germany, Freising, Germany

This towered cloud rushed past our camp at the Khorgo volcano in Mongolia. They form when a powerful upward air current quickly carries up water vapor.
Image updated: https://imaggeo.egu.eu/view/13143/