WEATHER

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