1. Bell Ringer
What is the name for a very severe thunderstorm?
supercell

2. Tornadoes

3. Funnel Cloud (has not reached the ground)
Tornadoes
Tornado – narrow, funnel-shaped column of spiraling winds that extends from a cloud to the ground
Before reaching the ground, it’s called a funnel cloud
Funnel Cloud (has not reached the ground)

4. Tornadoes
Always travels with a fast-moving supercell, the most severe thunderstorm (40-65km/hr)
The winds in the tornado can travel up to 500km/hr (310mph)!
Although devastating, most tornadoes only last a few minutes

5. Tornadoes
People can see tornados because of dust and debris pulled into the swirling column

6. Tornado Formation
A tornado is caused by a wind shear, which is when wind speed and direction change suddenly with height
Causes a horizontal rotation near surface

7. Tornado Formation
An updraft shifts this rotating air into an upward, vertical position

8. Tornado Formation
As updrafts speed up the rotation, air pressure drops in the center of the column, creating a big difference in pressure between tornado’s interior and exterior
This creates the tornado’s violent winds

9. Tornado Classification
The National Weather Service (NWS) tracks supercells on radar and issues watches and warnings to alert the public

10. Tornado Classification
Tornado watch – conditions are favorable for a tornado to form
Tornado warning -- a tornado has been spotted in the area
If a tornado warning has been issued, people should seek shelter immediately, preferably in an area away from windows or doors

11. Tornado Classification
Tornados vary in size and intensity
Fujita Tornado Intensity Scale (Fujita Scale) – ranks tornadoes according to the path of destruction, wind speed, and duration
Ranges from EF0 to EF (EF5 is most violent)

12. Fujita Scale Simulator

13. F5 Tornadoes

15. Where Are Tornadoes?
Most tornadoes occur in the spring, during late afternoon and evening, when temperature differences are the greatest
Most common in Central US where cP and mT air masses collide
This area is often called Tornado Alley

16. Quiz
I will give you about 2-3 minutes to look over your review sheet for your quiz
Remember that 7.4 notes are also on your quiz!
When finished, turn into the CORRECT basket
I am still missing atmosphere vocab from: Yury, Qai, Alejandra, Cam, Zakilya, Daniel, Julian, Julia, Nicholas
After today they are late

17. Quiz
I will give you about 2-3 minutes to look over your review sheet for your quiz
Remember that 7.4 notes are also on your quiz!
When finished, turn into the CORRECT basket
I am still missing atmosphere vocab from: Alejandro, TaNayaha, Luke, Chavon, Ashley, Khaylah, Tati, Joel, Jennie
After today they are late

18. Fact or Fiction? Hollywood movies often stretch the truth
Watch the movie. On a sheet of paper, write down 3 things that you think the movie gets wrong about tornadoes (has to be about tornadoes… can’t say “I don’t think that couple would be together in real life”)

19. Tuscaloosa tornado –

20. Fact or Fiction? Movies aren’t always scientifically accurate
Watch the movie.
On a sheet of paper, write down 5 Tornado Facts they got scientifically right and 5 Tornado Fictions they got scientifically wrong
Try your best!

21. Fact or Fiction? Movies aren’t always scientifically accurate
Watch the first part of Wizard of Oz, paying close attention to the tornado scene
On a sheet of paper, write down 5 Tornado Facts they got scientifically right and 5 Tornado Fictions they got scientifically wrong

22. Lab Dish Soap and Vinegar are at FRONT TABLE.
Soap: 2 spoonfuls
Vinegar: 4 spoonfuls
Return to your lab station, and I will add the food coloring.

24. Twister – Fact or Fiction?
Write down 10 things that are true about tornadoes from the movie
Write down 5 things that are NOT true about tornadoes from the movie
We will be watching this several days, so you do not have to have all of these today.
Hold onto your sheet!

25. Twister – Fact or Fiction?