Actinoform clouds pop up off the western coast of Australia.
Image of the Day Atmosphere Water
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.
Image of the Day Land
A striking display of high-altitude clouds over the Pacific Ocean are clearly cirrus, but further classification remains elusive.
Image of the Day Atmosphere
Acquired April 17, 2010, this natural-color image shows a network of open- and closed-cell clouds over the Pacific Ocean off the coast of Peru.
Whether a smoke or dust plume has a heating—or cooling—effect on the atmosphere can depend on whether it is above clouds.
Image of the Day Atmosphere Remote Sensing
Satellite images separated by 50 years show actinoform clouds over the Pacific Ocean.
Whether a patch of clouds contains open or closed cells offers a clue about whether rain is falling below.