Magnificent Cumulonimbus Mammatus Clouds

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posted Aug 11 @ 04:21 PM by Jason Kottke · gift link

cumulonimbus mammatus clouds

Back in 2012, Michael F. Johnston captured a particularly spectacular mammatus cloud over Regina, Saskatchewan. I don’t know how much of a cloud enthusiast Johnston is, but I got pretty excited when I captured these mammatus clouds at sunset a couple of years ago.