Maryam's crossword puzzle

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Across
  1. 2. a big fast amount of wind
  2. 6. type of cloud
  3. 8. when a gas changes to a liquid
  4. 12. the name for when it snows and rains
  5. 15. a light amount of snow
  6. 17. meteorologists study this as there job
  7. 19. a light amount of rain
  8. 20. another word for a twister
Down
  1. 1. a severe tropical storm
  2. 3. this cloud means rain
  3. 4. water in a gas form
  4. 5. particles rubbing together in a cloud
  5. 7. clear weather
  6. 9. a big amount of snow coming all at once
  7. 10. air moving fast
  8. 11. this weather starts in December
  9. 13. when heat is put with water
  10. 14. measures wind speed
  11. 16. cold and slippery
  12. 18. closest clouds to the earth