A tornado, also known as a twister, is a rapidly rotating column of air that extends vertically from the surface of the Earth to the base of a cumulonimbus or cumulus cloud. [1] Tornadoes are …

If it is in contact with the ground it is a tornado; otherwise it is a funnel cloud. Dust and debris beneath the condensation funnel confirm a tornado's presence. Be careful! Tornadoes can …

Dec 21, 2025 · Tornado, a small-diameter column of violently rotating air developed within a convective cloud and in contact with the ground. Tornadoes occur most often in association …

Aug 28, 2019 · What is a tornado? A tornado is a violently rotating column of air that extends from a thunderstorm to the ground. It’s often portended by a dark, greenish sky. Black storm clouds …

A tornado is a violently rotating column of air extending from a cumuliform cloud and in contact with the ground. A tornado usually (but not always) is visible due to condensation and dust and …

Jun 16, 2025 · A tornado is a violently rotating column of air extending from a cumulonimbus cloud and touching the ground. Born from powerful thunderstorms, these awe-inspiring yet …

Tornadoes, also called twisters, are columns of air rotating dangerously fast. The air is in motion because of the difference in pressure between the center of the tornado (very low pressure) …

A tornado is a violently rotating column of air extending from a thunderstorm to the ground. The most violent tornadoes have rotating winds of 250 miles per hour or more.

Jul 12, 2022 · Tornadoes, sometimes called twisters or whirlwinds, are intense vortices stretching from the Earth’s surface to the base of stormy, cumulonimbus clouds – these clouds extend …

Dec 12, 2025 · Though most tornadoes form from supercell thunderstorms, there are other tornado types as well. Strong lines of thunderstorms, referred to as “quasi-linear convective …