Lab 5 JurjevichGEOG 101PHYSICAL GEOGRAPHY: Weather and ClimateFall 2009Name____________________________1. What is wind? What is the cause of wind?2. What two factors are used by meteorologists to measure wind?3. What is the general relationship between air temperature (cool/warm) and pressure systems (High/Low)?4. What is a pressure gradient?5. Why does pressure decrease with elevation? 6. What are the 3 main forces that determine wind speed and direction on amacro scale? Briefly explain each force.Lab 5 Jurjevich7. Explain why coastal areas receive sea breezes during the day and have land breezes at night.8. What are cyclones and anti-cyclones and in what direction is the wind around each in the Northern hemisphere? Be sure to include the two adjectives that we talked about for each system.9. Explain how the Bermuda High controls the weather in the Southeast formost of the Summer.10. Why is the Bermuda High particularly important with respect to the infancy of Hurricane development and also at the end of the Hurricane life cycle once it moves inland within the U.S.?11. What is the name of the ocean current that brings warm water from theSouthern Atlantic/Caribbean along the Eastern seaboard of the U.S. and all the way across the Northern Atlantic to England?Lab 5 JurjevichQuestions 12-17 relate to the above diagram.12. What is the ITCZ? Why is it significant? 13. Why do we generally find areas of Low pressure along the ITCZ?14. What is the relationship of the ITCZ to the monsoon seasons around theworld. Use India and Southern AZ in your explanation.Lab 5 Jurjevich15. Explain the development of the Hadley, Ferrel, and Polar cells. 16. Where would you find the doldrums and the horse latitudes?17. Explain the key forces behind the development of the Trade, Westerly, and Polar Easterly
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