GEOLOGY

Detailed explanation-1: -Tornadoes (from the Spanish words for turning and/or thunder) are rapidly rotating columns of air in contact with the ground; they are either connected to or are situated underneath a cumuliform cloud above. They are sometimes visualized as a funnel cloud.

Detailed explanation-2: -Tornado-A violently rotating column of air touching the ground, usually attached to the base of a thunderstorm. Tornadoes are nature"s most violent storms. Spawned from powerful thunderstorms, tornadoes can cause fatalities and devastate a neighborhood in seconds.

Detailed explanation-3: -This rotating column of air, known as a funnel extends from the cloud and grows downward toward the ground. Once the funnel touches the ground is becomes a tornado.

Detailed explanation-4: -A tornado is a violently rotating column of air that extends from a thunderstorm to the ground and is often-although not always-visible as a funnel cloud. Lightning and hail are common in thunderstorms that produce tornadoes. Tornadoes can strike in any season and can occur at all hours of the day and night.

Detailed explanation-5: -A tornado is also commonly referred to as a “twister” or the old-fashioned colloquial term cyclone.