Altocumulus clouds act as a visual cue for a changing weather pattern. These are the types of clouds that appear ahead of a strong cold front and are a common sight. They indicate the presence of a ...

I awoke to a question from my friend John Dukes about the sky over northern Florida on Saturday evening. Two things that John and I have in common is our membership in Alpha Phi Alpha Fraternity Inc.

A reader in Moline wants to know about something he's heard referred to as ``UFO clouds.'' It might sound strange, but there is a well-known cloud formation, altocumulus lenticularis (meaning ``high, ...

Altocumulus clouds are "mid-level clouds composed primarily of water droplets," according to the National Oceanic and Atmospheric Administration (NOAA). These groups of fleecy clouds share some ...

At medium altitudes ranging from 6,000 feet to 20,000 feet above mean sea level, water droplets in altocumulus clouds can remain in a supercooled liquid phase that cannot be reasonably resolved in ...

One of the best responses I’ve ever had to the simple question “What’s up?” was from my father last year, when he answered, “The sky is up.” And what a beautiful sky it is! Rob Carlmark captured this ...

Photo taken on Oct. 12, 2012 shows altocumulus translucidus clouds in the sky of Suzhou, east China's Jiangsu Province. Altocumulus translucidus clouds scenery appeared in Suzhou on Friday as a cold ...

Some people say they look like fingerprints, others like ripples on water or the patterns left on sandflats when the water has retreated. Either way, they are one of Mother Nature’s more picturesque ...