tornados swbat explain how a tornado forms.. how does a tornado form? step one: warm, moist air and...
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TornadosSWBAT explain how a tornado forms.
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How Does a Tornado Form?
Step One:
Warm, moist air and cool, dry air meet. This causes instability in the atmosphere.
Step Two:
A change in wind direction and increase in wind speed causes a horizontal spinning effect.
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How Does a Tornado Form con’t
Step 3:
Rising air within the updraft tilts the rotating air from horizontal to vertical
Step 4:
An area of rotation, 2-6 miles wide, now extends through much of the storm.
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Inside a tornado
http://www.youtube.com/watch?v=v075d9Vfqcg
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Tornado SafetySWBAT identify and practice tornado safety procedures
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Warning Signs
Dark often grayish clouds
Wall Clouds or an approaching wall of debris
Large hail, often without rain
Before the tornado, the wind and hail may calm completely down
A loud roar that sounds like a train
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Safety Procedures
Before a Tornado Hits:
Have a plan so everyone knows where to go if a tornado hits.
Prepare an emergency kit with food and water for your home in case of disaster.
During a Tornado:
Go to a basement or the lowest level of your house.
Get inside a room that does not have windows. (Which rooms could this be?)
Put a piece of sturdy furniture or a mattress over you.
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Safety Procedures con’t
What if you are at school?
Follow safety procedure set up by school.
Go to designated area and sit down on the floor.
Crouch down on your knees and protect your head with your hands.
What if you are outside/in
a car? If you are in your car, do
not try to out run a tornado.
Get outside of your car and lay in a ditch or low lying area.
Lay flat on the ground.
Avoid power lines or damaged areas.
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Assignment:
Devise a safety plan for your house if we were to have a tornado. Where could you go? What could you grab to cover you up? Is there enough space for your whole
family?