A long, tubular cloud that appears to roll about a horizontal axis. Often forms along the leading edge of a storm front or gust front. Indicates a change in wind direction and can precede severe ...

Some cloud formations can look scary, and they can be a sign of a storm. Here's how they form and what they are.

tornadoes frequently form in marginal environments where it seems like one or more ‘ingredients’ to storm formation is missing or lacking,” he said. Then, the bottom of the clouds darken and ...

There are different kinds of storm clouds that can be concerning and some that are not. Mammatus clouds can create quite the sight in the sky. They form the same way a typical funnel cloud does ...

A few hours of sunshine will settle in, but cloud coverage will begin to intensify around noon. A low-pressure trough ...

MOLINE, Ill. — Storm clouds come in many shapes and sizes, but what about their colors? What can that tell us about a particular storm? That's a question John from Milan, Illinois, submitted ...

If you happen to be on the opposite side of such a cloud from the sun, it will appear dark due to the lack of light passing though it, and likewise it will become rather dark underneath the storm.