TORNADOES By: Alyssa Hinkle EDU 290 8:00-9:15 http://www.fema.gov/kids/p_tor03.htm
How are they formed? There is no exact way to know how tornadoes are formed. USUALLY they occur when: cool dry air from the north AND warm moist air from the south mix together. http://www.jason.org/uploads/PublicUploads/CuteSoft/Thunderstorm%20Formation.jpg
When do these storms occur? Normally tornadoes occur from March to August. But, Under the right conditions they can occur anytime, anyplace. Microsoft Clipart
Where do they occur? The United States is the country where tornadoes are most likely to occur, anywhere in the world. Microsoft Clipart The most common place is in Tornado Alley.
Tornado Alley is in the United States.
This is where most tornadoes happen.
It includes the central Plains from Texas to Nebraska.
But, a tornado can still happen ANYWHERE! http://www.nationalgeographic.com/eye/tornadoes/effect.html
HOW BIG? Tornadoes are measured by the Fujita scale and rated F0-F5.
F0 is the smallest tornado
F5 is the largest tornado
Fujita Scale The winds are stronger and there is more damage when the tornado is bigger! http://www.fema.gov/kids/fscale.htm
FACT “In an average year in the United States, 800 tornadoes are reported nationwide…” -National Geographic
So, how are tornadoes detected? Forecasters gather data from: Satellite imagery Radar Weather stations Weather balloons Lightning detection networks http://www.nationalgeographic.com/eye/tornadoes/science.html
PHOTOS Photo of a tornado. Damage after a tornado http://www.fema.gov/kids/p_tor.htm
Listen to the radio or watch television for weather updates.
If you see people who are injured:
Do not move them unless they are in immediate danger!
Call for help right away!
After a tornado:
Watch for broken glass and power lines that are downed!
Tornado watch A tornado watch means a tornado is possible with the current weather. What should you do?
Tornado warning A tornado warning means that a tornado has been spotted and touched the ground. What should you do?
Most tornadoes are weak… BUT, they all can become dangerous very fast. Knowing about tornadoes and how to stay safe will help protect others and YOU!
First, each group is going to make a tornado in a bottle. Now, you will draw your own tornado. Then, write a paragraph about what you have learned about tornadoes and how you would feel if you were near the tornado you have drawn. Finally, do you think the tornado in the bottle looks like the photos and videos we have seen?