- Easier - Tornadoes
are violent, whirling funnel-shaped windstorms that
usually travel over land. When a tornado touches
the ground, it can cause great destruction in its
- Harder -
Tornadoes, often called twisters, are the most
violent of thunderstorms. A tornado over a body of
water is called a waterspout.
- Tornadoes occur when a warm, humid air mass
meets with a cool, dry air mass. This collision
sometimes results in a powerful, swirling column of
air. The tornado's swirling winds can exceed 300
mph. Tornadoes cause much damage by this sheer
force of wind, but they also have a strong updraft
that can lift and carry objects. Fortunately, most
tornadoes are relatively weak; only a few are
Spotter's Guide: An Illustrated Guide to
Identifying Severe Storms
- Learn all about thunderstorms, tornadoes and
other severe weather.
- Going Around in Circles (the Why Files)
- This website includes information about what
causes tornadoes, how they get their energy, a
twister glossary, quiz, and more.
- This site provides gale-force amounts of
information on tornadoes including tornado chasing,
oddities, myths, safety, and accounts.
- This page gives an in depth view into all
aspects of tornadoes.
- Visit a few of the sites below,
then pick and complete one of these
- Prepare for a Tornado. Visit
Destruction From The Sky and Tornadoes
- Going Around in Circles. Then create
a procedure for your family to follow in
the event that a tornado was in your area.
Would that procedure need to be changed if
you were in a different locale such as
your school, in a car, or at the mall?
Compare your ideas with those at Tornado
Safety Tips Brochure. Now revise your
- Create a Tornado in a Jar.
in a Bottle or Tornado
in a Jar and then create your own
tornado experiment. Write a journal
account of the activity.
- Write a Tornado Story. Create a
short story that involves a tornado.
- Research Tornado Occurrences.
Using the information found at the sites
below, create a map of the U.S. that
indicates the ten states that have the
most tornadoes. Has your community had a
tornado? Visit a local library and see if
you can find records and information about
- Complete a Tornadoes Webquest.
Select or adapt from the procedures found
one or more of these webquest project
- Websites For Kids By Kids
Destruction From The Sky (ThinkQuest Junior
- Here you will find photos, stories, ways to
save your life, and weird facts about
- This school site contains tornado facts,
pictures, charts, and links on the cause and
effects of tornadoes.
- More Twister Information
to Tornadoes from the Movie 'Twister'
- This site has good tornado information. Be
sure to explore all the links.
Storm Research Organisation
- Read tornado information from the United
Kingdom, which has the highest frequency of
reported tornadoes per unit area in the
Safety Tips Brochures
- When a tornado is coming, you have only a
short amount of time to make life-or-death
decisions. Advance planning and quick response
are the keys to surviving a tornado.
- Read current dispatches from tornado
stormchasers, and hear about the art, science,
and danger of twister-chasing.
- This website is devoted to tornado and storm
chasing, storm spotting, storm chasers, severe
weather research, weather photographs and storm
Information Index from USA Today
- Get the latest severe weather watches and
warnings plus lots of tornado information.
- Site devoted to severe weather education and
- Similar and Related Websites:
- 2) Tornadoes http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/svr/torn/home.rxml
- 3) Wall Clouds http://ww2010.atmos.uiuc.edu/(Gh)/wwhlpr/wall_cloud.rxml?hret=/guides/mtr/svr/torn/ho
Chasers Home Page--Kansas
- Source for storm spotters on the subject of
severe weather & tornadoes.
Turn! Turn! (Scientific American)
- Learn how scientists unravel the twisted
ways of tornadoes.
creates a tornado?
- Brief article explains the environmental
conditions that cause a tornado to happen.
is a Tornado? at About.com
- 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. Learn more at this
- Websites for Teachers
- This lesson plan is about the formation of a
tornado, their destructive nature, and related
Understanding and Surviving Tornadoes
- Here is a lesson planning article about the
meteorological events that signal the
possibility of a tornado and what safety
measures you and your students can take to
National Weather Service
- Created by
Johnson, Updated by