weather and climate

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Across
  1. 2. - denser than a warm front
  2. 3. - full of or overcast by clouds
  3. 6. - Two cooler air masses merge, forcing warmer air to rise in between them
  4. 8. - last a few days
  5. 11. - a heavy fall of rain, snow, or hail
  6. 12. - less dense than a cold front\
  7. 16. - Air masses over high latitude regions
  8. 17. - happens at night when the wind blows from the land to the sea\
  9. 19. - the amount of water vapor in the atmosphere
  10. 20. - happens during the day when the wind blows from the sea to the land
Down
  1. 1. - An air mass above over a large body of land
  2. 4. - Air masses over high latitude region
  3. 5. - the movement of air
  4. 7. - An air mass above a large body of water
  5. 9. -degree of hotness or coldness measured by a thermometer with a numerical scale.
  6. 10. - A huge body of air
  7. 13. - When fronts stall or stop moving
  8. 14. - The weight of the air above you
  9. 15. - rain, snow, sleet, or hail that falls to the ground.
  10. 18. - last more than 30 years