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typicaltemps - – Takes ~ 5x more heat to raise...

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Typical Temperatures Snow no! 2010 Winter Olympics in Vancouver facing warm weather, lack of snow days ahead of games News Wire Services Monday, February 8th 2010, 1:05 PM Ralston/Getty The soggy swath of mud at Cypress Mountain has some locals calling the Vancouver Olympics "The Brown Games." Above, the non- competition side of Cypress Mountain. Vancouver (49° latitude) annual average temperature = 50 °F Twin Cities (45° latitude) annual average temperature = 45 °F
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What Infuences Temperature?
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Main Controls of Temperature • Latitude • Land and water distribution • Ocean currents • Elevation
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Fig. 3-8, p. 64 Latitude January
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Fig. 3-9, p. 64 Latitude July
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Land and Water Distribution Solar radiation absorbed – By thin layer of soil on land – By deeper layer of water in ocean (also some energy used to evaporate water) Water has higher speciFc heat than land
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Unformatted text preview: – Takes ~ 5x more heat to raise temperature of given amount of water 1 °C than same amount of soil or rock • Coastal cities can have very different climate than inland Fig. 3-12, p. 66 Land and Water Distribution Making a Temperature Forecast • Consider Many Factors • Use Many Methods How do we know if our forecast is reasonable? 1. Compare to climatology 2. Compare to diurnal temperature cycle 1. Climatology & Other Data • “Normal” • Temperature Range (daily, annual) • Mean Temperature (daily, annual) Fig. 3-13, p. 67 Figure 2, p. 69 2. Diurnal Temperature Cycle Activity to Examine Diurnal Cycles of Temperature Fig. 3-2, p. 57 Stepped Art Fig. 3-1, p. 56 How is air heated? Fig. 3-3, p. 57 How is air cooled? Fig. 3-5, p. 60 Stepped Art Fig. 3-10, p. 65...
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typicaltemps - – Takes ~ 5x more heat to raise...

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