Movie Worksheet Deadlines Tornadoes

1.How many tornado-related deaths occurred in 2011?

2.Although tornadoes result from thunderstorms, why are tornadoes more difficult to predict than thunderstorms?

3. What is currently the average lead time for tornadoes?

4. What kind of thunderstorms spawn tornadoes?

5. Why do some thunderstorms produce tornadoes and others don’t?

6.Where is Tornado Alley?

7.What weather pattern similarities did the November 2002 and April 2011 tornadoes share as they were forming?

8.How, if at all, do strong La Nina years affect tornadoes?

9.How many individual tornadoes were produced during the 52 hour tornadic rampage in April 2011?

10.The atomic bomb dropped in Hiroshima is the equivalent of what strength tornado?

11.What percentage of tornadoes are EF5s, the strongest category?

12.What technological advances allowed tornado lead times to drop from less than two minutes to an average of 13 minutes today?

13.Which is historically the most active month for tornadoes?

14.What is true about the April 2011 Joplin, Mississippi tornado? 

15  Two days after Joplin, a string of tornadoes touched down in Oklahoma. Why did many fewer people die, even though the storms were equally strong?

16.Why are scientists focusing on designing safe rooms that can withstand EF2-3 range tornadoes?

17.What is a huge limitation of the current Doppler radar network?

18.While the holy grail for reducing tornado-related death remains reducing lead time, what else could reduce casualty levels?

19. What is one possible measure of why some thunderstorms develop into tornadoes?

20. Why are scientists predicting that tornadic destruction of this scale will become more frequent?