global winds eric angat teacher. essential question how do i describe global winds?
TRANSCRIPT
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Global Winds
Eric AngatTeacher
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Essential Question
How do I describe Global Winds?
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1. What are the three types of Global Winds?
Polar Easterlies(60-90 degrees)
Trade winds (0-30 degrees)
Westerlies(30-60 degrees)
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2. Where do Trade winds or tropical easterlies meet?
Intertropical Convergence Zone or ITCZ
Trade wind 0-30 degrees
Trade wind 0-30 degrees
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Doldrums –mild wind
Horse latitude–mild wind
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Climate System
3.Why are greenhouse gases important for our survival?
4.Why are we experiencing greenhouse problems?
5.How is heat moved around the atmosphere?
6.How is heat moved in the ocean and seas?
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Climate System
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Climate System
3. Why are greenhouse gases important for our survival?
4. Why are we experiencing greenhouse problems?
5.How is heat moved around the atmosphere?
6.How is heat moved in the ocean and seas?
Greenhouse gases maintains the Earth’s warmth.
Too much greenhouse gases causes Global warming. Like wearing winter jackets during spring.
Cold water sinks and warm water rises. This process influences our weather and results to upwelling or mixing of nutrients in the ocean.
Warm air rises and cool air sinks
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Coriolis Effect
7. How do storms spin in the northern hemisphere and southern hemisphere?
8. Which spins faster the equator or the poles?
9. Coriolis effect deflects wind to the _____ in the Northern hemisphere and to the _____ in the southern hemisphere.
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Coriolis Effect
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Coriolis Effect
7. How do storms spin in the Northern hemisphere and Southern hemisphere?
8. Which spins faster the equator or the poles?
9. Coriolis effect deflects wind to the ______________ in the Northern hemisphere and to the _____________ in the southern hemisphere.
Storms in the Northern hemisphere spins counterclockwise while in the Southern hemisphere they spin clockwise.
Right
Left
The equator spins faster than the poles.
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Jet Stream
10.What is jet stream?11.When does the jet stream meander?12. How does wind move?13.How do the Hadley cells
and Polar cells differ?
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Jet Stream
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Jet Stream
10.What is jet stream?
11.When does the jet stream meander?
12. How does wind move?
13.How do the Hadley cells and Polar cells differ?
Narrow band of fast moving air about 8 miles above.
Jet Stream meanders when the wind is weak.
From high pressure to low pressure
Hadley cells are circulating warm air while polar cells are circulating cold air.
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wind blows from areas of high pressure, towards areas of lower pressure.
14. What direction does wind blow?
High Pressure Low Pressure
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Cold air mass
Warm air mass
(Low Pressure)
Cold air mass(High
Pressure)
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Jet Stream are generally westerly winds in a relatively narrow stream in the upper troposphere.
http://www.stormsurfing.com/cgi/display_alt.cgi?a=glob_250
Remember: Winds are described where they are coming from.
15. What are Jet streams?
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West
Jet streams
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16. Do planes fly in the Jet stream?
Yes, the jet stream is now used to save time when traveling with it if the jet stream is going against the plane they avoid it as it would slow the plane down.
http://doowansnewsandevents.wordpress.com/2013/05/09/the-year-without-summer/
West