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29 June 2009

The Best Pileus Cloud I've Ever Seen

Pileus clouds form as air is lifted above a rapidly rising thunderstorm. The holy grail of Pileus clouds are the ones that have blue sky between the cloud and the top of the cumulonimbus. The storm usually blasts right through the Pileus in a few seconds, so getting a pic before this happens is rare. If you do, the story goes, you will get your pic on the cover of …


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