Tornado
Safety
Instruments
Tornado Scale
Extras
100
This is the area in the United States where most tornadoes occur.
What is Tornado Alley?
100
This is issued when a tornado may develop later, and you should be cautious.
What is a tornado watch?
100
An instrument that measures the speed of the wind.
What is an anemometer
100
This is a tornado with a wind speed of 40-72 mph and causes light damage.
What is an F0 tornado?
100
These are the conditions of the atmosphere over a short period of time.
What is weather?
200
This is a rotating funnel cloud that touches the ground.
What is a tornado?
200
This is issued when a tornado has actually been seen, and you should immediately get to safety.
What is a tornado warning?
200
This measures the humidity in the air.
What is a hygrometer
200
This is a tornado with a wind speed of 73-112 mph and has moderate damage.
What is an F1 tornado?
200
This is how the atmosphere behaves over relatively long periods of time.
What is climate?
300
These are the months that have the most tornadoes.
What are May and June?
300
This is the safest place to go when there is a tornado, you are driving on the road and there are no nearby buildings.
What is a ditch?
300
An instrument that measures the temperature.
What is a thermometer?
300
This tornado has a wind speed of 158-206 mph and causes sever damage.
What is an F3 tornado?
300
These are the four natural divisions of the year.
What are seasons?
400
They usually form from thunderstorms and occur when warm air and cool air meet and cause instability in the atmosphere.
What is a tornado?
400
This is the safest place to go during a tornado?
What is a basement?
400
This measures the atmospheric pressure or air preasure.
What is a barometer?
400
This tornado has a wind speed of 207-260 mph and causes devastating damge.
What is an F4 tornado?
400
This is the layer of gases that surround the Earth.
What is the atmosphere?
500
A tornado looks like this, with the flat part at the top.
What is a funnel?
500
Things you should stay away from during a tornado.
What are windows?
500
This measures the moisture or precipitation.
What is a rain guage.
500
This tornado has a wind speed of 261-318 mph and causes the most damage.
What is an F5 tornado?
500
This is a weather instrument that shows the wind direction.
What is a weather or wind vane?
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