Tornadoes. How it forms What should you do when a tornado happens? Tornado facts About a tornado How wide and how long? Its shape Warning and warnings How fast and how far. How it forms.
How it forms
What should you do when a tornado happens?
About a tornado
How wide and how long?
Warning and warnings
How fast and how far
The warm heat rises (updraft), cool air goes down (downdraft). The warm air swirls while the cool air goes down.
What Should You Do When a Tornado Happens?
You should find shelter , if you don’t, find a ditch on the ground and cover your head , or find a bathroom.
F0- very low damage(40-72 mph)
F1-uproot some trees(73-112 mph)
F2-blow roofs off(113-157 mph)
F3-severe damage, flatten trees(158-206 mph)
F4-break tree trunk in half(207-260 mph)
F5-lift house and bring it somewhere else(261 mph and up)
About a Tornado
When a funnel touches the ground, it is called a tornado.
If a funnel touches the water, it is called a water sprout.
HOW WIDE AND HOW LONG?
A typical tornado is about 400 to 500 ft. wide. A supercell(a bigger , massive tornado)
Is about a mile wide.
It is a funnel shaped object, it is like a strong vacuum.
Watches and warnings
Each year, thousands of tornado`s touch down in the United States. The best protection from a tornado is an early warning.
A tornado can last an hour and can travel more than 200 miles along the ground.