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ENVIRONMENT

ENVIRONMENT

How The World Reported The Tornado


How The World Reported The Tornado image
Click to enlarge
A tornado is a violent, dangerous, rotating column of air that is in contact with both the surface of the earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud.

They are often referred to as a twister or a cyclone, although the word cyclone is used in meteorology in a narrower sense, only to name hurricanes or typhoons.

Tornadoes come in many shapes and sizes, but are typically in the form of a visible condensation funnel, whose narrow end touches the earth and is often encircled by a cloud of debris and dust. Most tornadoes have wind speeds less than 177 km/h, are approximately 80 m across, and travel several kilometers before dissipating.

The most extreme can attain wind speeds of more than 300 mph (480 km/h), stretch more than two miles (3 km) across, and stay on the ground for more than 100 kms.

Various types of tornadoes include the landspout, multiple vortex tornado, and waterspout. Waterspouts are characterized by a spiraling funnel-shaped wind current, connecting to a large cumulus or cumulonimbus cloud.

They are generally classified as non-supercellular tornadoes that develop over bodies of water. These spiraling columns of air frequently develop in tropical areas close to the equator, and are less common at high latitudes. Other tornado-like phenomena that exist in nature include the gustnado, dust devil, fire whirls, and steam devil.

Tornadoes have been observed on every continent except Antarctica and recently on the North Shore area of Auckland.

How did the American networks show the tornado on the North Shore of Auckland? Click here

Another image from the event here to see a 360 degree view of the Albany, North Shore damage taken by a bystander who was at the complex when the tornado hit.

Click here for ongoing Auckland traffic information.


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