weather terms

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Across
  1. 6. when two air masses meet head on
  2. 7. when a warm air mass overtakes a cold air mass
  3. 8. the amount of water vapor that is in the atmosphere
  4. 9. when a cold air mass overtakes a warm air mass
  5. 10. the highest clouds that are made out of ice crystals
  6. 11. these clouds are puffy and look like cotton balls
  7. 12. A cold and dry air mass
  8. 13. the temperature at which water vapor condenses
  9. 14. term used when the water vapor is so cold that water vapor turns directly into ice crystals
  10. 15. the instrument used to measure the amount of air pressure in the atmosphere
  11. 17. water drops that are about 1000x bigger than cloud droplets
Down
  1. 1. tall clouds that have a flat base and top(thunderclouds)
  2. 2. these clouds produce light and steady rain and are produced by a warm front
  3. 3. A warm and humid air mass
  4. 4. A warm and dry air mass
  5. 5. A cold and humid air mass
  6. 16. the instrument used to measure the speed of wind