If you've ever been caught by a pang of doubt about the weather allowing you to accomplish an outdoor activity, all you have to do is look to the clouds and note the wind direction. The clouds ...

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 ...

These middle-altitude 'altocumulus clouds,' UCAR's team found, are comprised of unusually pure water vapor that is 'supercooled,' which means it has not transformed into ice, despite these ...

They often produce the halo effect you see above. 4. Altocumulus. Altocumulus clouds come in several forms, though they mostly look like rounded masses. They can appear as a sheet or a layer ...

To get a fallstreak, you need altocumulus or cirrocumulus clouds. These clouds are mid to high-altitude clouds that are commonly comprised of ‘supercooled’ water droplets, or water droplets ...

Altocumulus clouds can be as cold as around ... This is because there are fewer small particles, such as dust and pollen, at that altitude, which are needed for ice crystals to form in the air.

At a high altitude, the air cools, and the pressure decreases. The condensation of water vapour is the final step in forming altocumulus lenticularis clouds. As mentioned by IFL Science ...

And what a beautiful sky it is! Rob Carlmark captured this image of altocumulus clouds filling the sky over Sacramento on Tuesday. While beautiful at the time, these clouds often foretell rainy ...

These clouds are called altocumulus floccus clouds. The tentacle-looking streaks are ice crystals falling from the cloud but evaporate before they reach the ground, known as virga. These clouds ...