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A Retreating Thunderstorm at Sunset

A Retreating Thunderstorm at Sunset

Copyright: Alan DyerThe Amazing Sky

What type of cloud is that? This retreating cumulonimbus cloud, more commonly called a thundercloud, is somewhat unusual as it contains the unusual bumpiness of a mammatus cloud on the near end, while simultaneously producing falling rain on the far end. Taken in mid-2013 in southern Alberta, Canada, the cloud is moving to the east, into the distance, as the sun sets in the west, behind the camera. In the featured image, graphic sunset colors cross the sky to give the already photogenic cloud striking orange and pink hues. A darkening blue sky covers the background. Further in the distance, a rising, waxing, gibbous moon is visible on the far right.

Courtesy of NASA Astronomy Picture of the Day

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Tse
Tse
4 months ago

.inq: challenger showed inner tube ring of exhaust prior to fail, what does telemetry show regarding change in thrust fire?
.edu: bsee, msee uw;