A dynamic atmosphere brought to light rare cloud structures painted across the Boston region Tuesday afternoon and it was ...

Mid-level clouds, either altocumulus or cirrocumulus, had developed. Precipitation was trying to fall, but it was evaporating ...

The aquatic-looking cloud is better known as an “altocumulus cloud with virga drifting over the Portland area,” explained via a tweet sent out by the Portland National Weather Service Tuesday ...

Altocumulus clouds are usually found in groups, clumped together rather than floating along as puffy blobs like cumulus clouds that would form closer to the ground. If you’ve ever seen a ...

Got to admit, once again we sort of lucked out with the worst of the storms yesterday, and while not surprising really, there ...

These clouds were my favorite, altocumulus. They were embedded in a layer of colder air with warmer air above which prevented them from building higher and turning into more cumulus-type clouds.

However, experts now know they are caused by planes moving through altocumulus clouds. Seen from below, the clouds can look like a large circle has been cut neatly from the clouds, with feathery ...

Is it a plane? No... it's jellyfish!?! While a "Jellyfish" cloud isn't an official cloud type, it's a great way to describe the neat looking altocumulus with virga drifting over the Portland area ...

Mid-level clouds often have spacing that will also allow at least partial viewing, such as altocumulus. Even a more opaque overcast, such as altostratus, can still allow viewing of the disc.

Altocumulus clouds are usually found in groups, clumped together rather than floating along as puffy blobs like cumulus clouds that would form closer to the ground. If you’ve ever seen a mackerel ...