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Like ripples on a pond, a series of long, circular wave clouds radiate out from the coast of West Africa in this pair of photo-like images.
Published Oct 20, 2007
The island itself is almost too small see in this image, but it serves as the starting point for the clouds that flow toward the northeast in a giant V shape. Amsterdam Island is a volcanic summit, the northernmost volcano on the Antarctic tectonic plate.
Published Dec 30, 2005
When undular bores ripple through the atmosphere, they leave remarkable patterns in the clouds.
Published Oct 9, 2020
Whether a patch of clouds contains open or closed cells offers a clue about whether rain is falling below.
Published Feb 6, 2016
Patches of open-celled clouds off the west coast of Peru offer beautiful glimpses of the sea—and pointers to where rain may have fallen.
Published Aug 7, 2018
Dry air surging off the western coast of Africa ran into a wall of moist air over the Atlantic, creating a distinctive line in a marine cloud layer.
Published Feb 28, 2013
Air masses passing over the Appalachian Mountains created waves in the atmosphere—and these distinctive clouds.
Published Apr 22, 2018
As winds streamed past the South Sandwich Islands, the disrupted flow created an interlocking series of wave clouds.
Published Feb 28, 2020
Satellite images separated by 50 years show actinoform clouds over the Pacific Ocean.
Published Jul 19, 2012
An open-celled cloud over the Pacific Ocean had a shape reminiscent of a certain circular letter of the alphabet.
Published Sep 27, 2014
Data collected by a sensor on the Aqua satellite reveals the global distribution of clouds.
Published May 8, 2015
Actinoform clouds pop up off the western coast of Australia.
Published Feb 7, 2020
Sea breezes and differential heating fill the afternoon sky with puffs of white clouds.
Published Aug 11, 2013
