Across
- 4. area that has a lower air pressure
- 5. rain snow sleet and hail
- 8. big fluffy thing in the sky
- 9. change of stater from gas to a liquid
- 12. an electric discharge
- 13. used to measure temperature
- 14. large body of air where the temperature and the moisture are the same
- 15. sound created by a rapid expansion of air
- 16. boundary between air masses
Down
- 1. storm that develops over tropical oceans
- 2. how much water vapor is in the air
- 3. rotation of air around a high pressure area
- 6. amount of water vapor in the air to the maximum water vapor
- 7. produces lightning and thunder and is a type of storm
- 10. a destructive rotating column of air
- 11. thunderstorms and lightning