Arc Cloud Over Southern Germany

February 20, 2007


Provided and copyright by: Raquel Shida, ESA/Hubble
Summary authors & editors: Raquel Shida

The image above shows a panoramic view of an approaching arc cloud (also called shelf cloud or arcus). These dramatic-looking accessory clouds are on occasion observed near the base of cumulonimbus cells -- along the leading edge of a thunderstorm outflow boundary. This one was associated with a particularly nasty storm that hit southern Germany on June 26, 2006, and preceded the arrival of strong wind gusts and heavy rains. Picture taken in Garching, near Munich, Germany.

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