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19. Weather - hemispheres 8 If you are in the Northern...

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Weather Objectives 1) Why does the wind blow? Air moves from high pressure to low pressure. 2) What kind of air is the least dense (most likely to rise)? Hot and humid air 3) What happens to a rising parcel of air that could cause it to become saturated with water, and what would happen to that same parcel of air if it began to sink, and what type of surface pressure would you expect for each? Expands, cools, is able to hold less water, water condenses if RH hits 100% 4) What are the definitions and values for dry adiabatic lapse rate (DALR) and saturated adiabatic lapse rate (SALR)? 5) Besides DALR and SALR, what else do you need to know about the atmosphere to determine if the air is stable or unstable? 6) What are the five ways to lift air so that clouds and precipitation can form? 7) Know the name of the apparent force that causes moving objects to change direction on the surface of the Earth, its relationship to the object’s velocity, and which way does it cause objects to deflect in the Northern and Southern
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Unformatted text preview: hemispheres? 8) If you are in the Northern Hemisphere, what would you do to determine the position of low surface pressure relative to your position? 9) Know the basic pattern of the three cell model of global circulation and know which direction winds blow at the surface in each, the name of these winds, and the name of the climatic zones they create. 10) What two latitudes do you expect to find significant precipitation, and what two latitudes do you expect to find little precipitation? 11) Know the difference between a sea breeze and a land breeze in terms of time of day, wind direction at the surface, pressure at the surface, and where precipitation is most likely to occur. 12) What is a rain shadow, and how does it form? 13) Know which kind of front tends to bring the most severe storms. 14) What type of upper air flow leads to low surface pressure?...
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