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Review#11 air masses & fronts
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Review#11 air masses & fronts

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Review#11 air masses & fronts Presentation Transcript

  • 1. L.O: AIR MASSES AND FRONTS
  • 2. AN AIR MASS IS A HUGE BODY OFAIR HAVING CHARACTERISTICS LIKETEMPERATURE AND MOISTURE.
  • 3. AIR MASSES GET THEIRCHARACTERISTICS FROM WHERE THEYCOME FROM.• mT: MARINE TROPICAL IS WET AND WARM.• mP: MARINE POLAR IS WET AND COLD.• cT: CONTINENTAL TROPICAL IS DRY ANDWARM.• cP: CONTINENTAL POLAR IS DRY AND COLD.• cA: CONTINENTAL ARTIC IS DRY AND VERYVERY COLD.
  • 4. FRONTS:
  • 5. FRONTS are the boundary betweentwo air masses.It always rains at the frontalboundaries.
  • 6. Warm front brings warm air mass thatreplaces a cold.
  • 7. cold front brings cold air mass thatreplaces a warm
  • 8. stationary front: cold air mass upagainst a warm air mass.
  • 9. stationary front: cold air mass upagainst a warm air mass.
  • 10. occluded front: a warm air masstrapped between two cold.
  • 11. Low pressuresystems versushigh pressuresystems:
  • 12. Low pressure systems: winds flowcounter-clockwise and in. bad weather
  • 13. high pressure systems: winds flowclockwise and out. good weather
  • 14. NOW DO QUESTIONS ON PAGE150.
  • 15. Station models and weatherforecasting.Please complete page 150- 155
  • 16. Selected properties of theatmosphere:Please complete page 161- 165