unequal heating of land and water

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Across
  1. 6. when warm air mass takes over a cold air mass
  2. 8. what this whole crossword is about
  3. 9. a front that is warm gets trapped by colder air masses
  4. 10. the circulation around the world
  5. 11. when thunder appears with rain
  6. 16. a huge thing of air
  7. 17. cone-shaped high winds
  8. 18. when winds rise and fall because of the earth's rotation
  9. 19. mix air with what you use to smash something
Down
  1. 1. the warm and cold air masses push together but neither move
  2. 2. a certain place with a low amount of pressure
  3. 3. opposite of the warm front
  4. 4. a wind that goes from land to over the sea
  5. 5. process water gets heated up by
  6. 7. air currents that spin
  7. 12. the opposite of low pressure
  8. 13. a wind that goes from the sea to land
  9. 14. to take in a liquid
  10. 15. the overall temp