How does lightning happen. click on the link. In your ISN using colored pencils, draw the picture of positive and negative charges within a cloud that could cause lightning to occur. Read the information and provide a summary of what is necessary for lightning to occur.
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SEVERE WEATHER
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Neil Tyson DeGrassi explains hurricanes
Watch: Nova: Deadliest Tornadoes and complete the worksheet (see below)
Worksheet:
NOVA: Deadliest Tornadoes (http://video.pbs.org/video/2220853400/)
1. How fast were the winds in the tornado that hit Joplin, Missouri?
2. Why is it hard for meteorologists to predict tornados?
3. What is the tool that meteorologists use? How does it work?
4. What is one indicator that a thunderstorm may produce a tornado? Why?
5. What is lead time? Why is it important?
6. What is a tornado chaser?
7. What is a tornado?
8. Most tornadoes have a wind speed of _________.
9. About what percent of thunderstorms produce tornadoes?
10. What conditions make “Tornado Alley” the prime location for tornadoes to develop?
11. What is the jet stream?
12. What are some of the effects of La Nina? What happens specifically with tornadoes?
13. How many tornadoes were produced during the massive outbreak in 2011?
14. What is the EF scale and what is it used for?
15. How many tornadoes are EF 5?
16. What are ‘supercell’ attributes?
17. What is the most common tornado (EF rating)?
18. Why is designing a ‘tornado-proof’ structure challenging?
19. Why are the existing Doppler radars not sufficient to help predict tornadoes?
20. What is the main goal in relation to tornadoes right now?
21. What is one question that you still have about tornadoes?
Worksheet:
NOVA: Deadliest Tornadoes (http://video.pbs.org/video/2220853400/)
1. How fast were the winds in the tornado that hit Joplin, Missouri?
2. Why is it hard for meteorologists to predict tornados?
3. What is the tool that meteorologists use? How does it work?
4. What is one indicator that a thunderstorm may produce a tornado? Why?
5. What is lead time? Why is it important?
6. What is a tornado chaser?
7. What is a tornado?
8. Most tornadoes have a wind speed of _________.
9. About what percent of thunderstorms produce tornadoes?
10. What conditions make “Tornado Alley” the prime location for tornadoes to develop?
11. What is the jet stream?
12. What are some of the effects of La Nina? What happens specifically with tornadoes?
13. How many tornadoes were produced during the massive outbreak in 2011?
14. What is the EF scale and what is it used for?
15. How many tornadoes are EF 5?
16. What are ‘supercell’ attributes?
17. What is the most common tornado (EF rating)?
18. Why is designing a ‘tornado-proof’ structure challenging?
19. Why are the existing Doppler radars not sufficient to help predict tornadoes?
20. What is the main goal in relation to tornadoes right now?
21. What is one question that you still have about tornadoes?
Actively Learn.com. Analyze and Interpret El Nino Effect-