Across
- 1. sudden spark or electric discharge
- 5. tropical cyclone
- 8. runs over earth's surface to ocean
- 11. wispy, feathery clouds
- 15. air mass that forms in the tropics
- 16. water exits plant leaves
- 17. whirling center of low air pressure
- 18. air masses that form over oceans
- 19. liquid water changes to a gas
- 20. rain, snow, sleet or hail
- 22. huge body of air with similar weather
- 23. fast moving air upper troposphere
Down
- 2. water soaks in ground forms ground water
- 3. rapidly whirling, funnel shaped cloud
- 4. where different air masses meet
- 6. water vapor changes into liquid
- 7. a gas
- 9. measures humidity
- 10. fast moving cold air mass
- 12. clouds that are spread out
- 13. amount of water vapor in the air
- 14. they study and predict weather
- 17. fluffy, rounded, cotton looking cloud
- 20. air mass forms above or below 50 N or S
- 21. violent disturbance in atmosphere