A dramatic cloud formation resembling a giant claw reaching toward the ground was filmed over the Zhangbei Grassland Sky Road ...
A tornado-like cloud filmed in Pennsylvania went viral, but meteorologists said it was a harmless low cloud, not a tornado.
They are called mammatus clouds, and although the powerful storms that create them can be dangerous, mammatus themselves are ...
Learn the differences between shelf clouds, wall clouds, funnel clouds, scud clouds, and mammatus clouds in this guide to ...
Pacific Northwest storms sparked a Tornado Warning near Molalla, Ore., after spotters and a storm chaser reported funnel ...