atmosphere, weather and climate

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Across
  1. 5. lifting clouds can form when moist air rises, expands and cools
  2. 9. Above the troposhere
  3. 10. Air masses with different characteristics can collide and result in dramatic weather change
  4. 12. When air flows into the same area from different directions
  5. 14. Relatively rare cloud
  6. 15. Puffy, lumpy-looking clouds
  7. 18. The layer closest to earths surface
  8. 19. Large volume of air
Down
  1. 1. Above the stratosphere
  2. 2. Short term variations in atmosphere phenomena
  3. 3. Extends from about 500 km to more than 10,000 km above earths surface
  4. 4. Extends from about 500 km to more than 10,000 km above earths surface
  5. 6. High clouds made up of ice crystals
  6. 7. Long term average of variations in weather for a particular area
  7. 8. Small mid level layers or patches of clouds
  8. 11. Layer between about 100 km and 500 km above earths surface
  9. 13. Front When cold dense air displaces warm air
  10. 16. Low level layers with a fairly uniform grey or white color
  11. 17. front Advancing warm air displaces cold air