air masses and fronts

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Across
  1. 2. a storm with a strong winds and rains that forms over tropical waters
  2. 6. cold, dry air masses
  3. 7. boundary where air masses meet
  4. 9. cold and warm air masses meet but neither can move another
  5. 10. a funnel shaped cloud or column of air that rotates at high speeds and extends downward from a cloud to the ground
  6. 11. the measure of how or cold the air is outside
  7. 13. the part of the atmosphere closest to earth
  8. 14. warm, humid air masses
  9. 19. to guess what happens in the future
Down
  1. 1. huge body of air that has similar temperature, humidity, and air pressure
  2. 3. the third planet from the sun the planet that we live on
  3. 4. the transfer of energy
  4. 5. a warm air mass overtakes a slow moving cold air mass
  5. 6. hot, dry air masses
  6. 8. the properties of the atmosphere at a given time and location including temperature, air movement and precipitation
  7. 12. the ability to do work or cause change
  8. 15. cool, humid air masses
  9. 16. a warm air masses is caught between two cooler air masses
  10. 17. a fast moving cold air mass overtakes a warm air mass
  11. 18. liquid water that falls from the sky