Actinoform clouds pop up off the western coast of Australia.
Published Feb 7, 2020
Whether a patch of clouds contains open or closed cells offers a clue about whether rain is falling below.
Published Feb 6, 2016
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
Tendrils of fog outline river valleys as the Andes Mountains block advancing banks of ocean clouds.
Published Jun 14, 2015
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
It is not difficult to imagine that a gigantic volcanic eruption spewing thick clouds of ash and gas high into the atmosphere would change the weather. But these satellite images show that a small, steady, simmering eruption also affects the atmosphere.
Published Jan 31, 2008
A vertical profile of wispy, icy clouds reveals their complex structure.
Published Jul 15, 2015
Data collected by a sensor on the Aqua satellite reveals the global distribution of clouds.
Published May 8, 2015
With just a few clicks of a camera and a mouse, you can contribute to research that will help atmospheric scientists better understand how clouds affect climate.
Published Nov 5, 2014
For more than 10 years, students from around the world have been participating with NASA in a science project called Students Cloud Observations Online, or S’COOL, for short.
Published Jan 13, 2009
These “hole punch” clouds were just as apparent from above as they were from below. This MODIS image shows a number of round holes in a blanket of cloud cover over Oklahoma, Arkansas, Louisiana, and Texas. A few of the “holes” are elongated, with what appear to be smaller clouds inside them.
Published Jan 31, 2007
Low, moist ocean clouds outline South American country’s coastal desert.
Published May 31, 2014
Cold winter conditions set the stage for these unusual clouds that can form due to airplane traffic.
Published Dec 28, 2010
Even without a map overlay, global cloud patterns can reveal the shape and location of many of Earth’s continents. This global map of cloud fraction in October 2009 demonstrates the pattern.
Published Nov 17, 2009
