What causes thunder?

Related questions

1. Can there be a tornado without rain?
2. Is it better to open windows during a tornado?
3. Does it rain in a tornado?
4. What state has never had a tornado?
5. What causes a squall line?
6. What month does tornado season end?
7. Can thunder shake a house?
8. What causes a tornado to touch the ground?
9. What causes snow squalls?
10. What is the 30 30 rule for lightning?

Tags

1. #creates
2. #sound
3. #lightning
4. #little
5. #caused
6. #actually
7. #opens
8. #ground
9. #thunder
10. #light
11. #travels
12. #cloud
13. #called
14. #channel
15. #collapses