tornado

Ever since I first saw the Wizard of Oz,

I have been facinated with tornadoes.

They can hit anywhere in the world--unlike

other natural phenomenon.

Although they are remarkable to look at,

they can cause unbelievable damage.

Birth of a tornado

A tornado is a powerful storm which is created when moist,

warm air gets trapped beneath a stable layer of cold,

dry air within layer of warm, dry air.

A tornado is formed when a rotating column of air extends

from the base of a thunderstorm cloud to the ground.

The air moves very quickly upward around the tornado center.

Most tornadoes are weak and cause little damage.

Other tornadoes can be very dangerous, with wind speeds

reaching up to 250 miles per hour.

(Thanx to the Mining Co.)

The Fujita-Pearson Scale

Just as hurricanes have the Saffir-Simpson scale,

tornadoes have the Fujita-Pearson scale.

Tornadoes are measured by both wind speed &

how much damage is caused.

Here are some great links

where you can learn more:

Fema for Kids (excellent site)

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Today 's Weather

For weather in the midwest, try Oklahoma City, OK. Their zip code is: 73101. Or check out your own home town!

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