In this guided Web exploration you'll discover:
- What conditions cause tornadoes.
- What tornado alley is.
- Where tornadoes get their energy.
- How tornadoes are measured.
- How many tornadoes you get where you live.
Tornadoes still baffle scientists. They are the most feared of all
storms. Twisters are deadly, fast, mysterious and unpredictable. The
word "tornado" comes from the Spanish words, "tronado," meaning thunderstorm
and, "tornar," meaning to turn. Yet, because of the danger involved,
scientists have never directly measured the pressure and wind speed
within a tornado. (University of Illinois at Urbana-Champaign). Still,
scientist know a lot about tornadoes.
What conditions cause tornadoes?
What causes the strongest tornadoes to form?
What is tornado alley?
How are tornadoes measured?
What was the worst tornado of all time?
[Click on Tornado Top Tens]
Where do tornadoes get all that energy?
What month has the greatest number of killer tornadoes?
[Click on Tornado Safety, then click on the graph]
What percentage of tornadoes are violent and what percentage of deaths
occur as a result of the F-4 and F-5 tornadoes?
What is the greatest danger from a tornado and how can you protect yourself?
How many tornadoes do you get where you live?