ch12_rev - Jon Ahlquist Chap 12 Review Polar Front Theory...

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Jon Ahlquist 11/13/2006 MET1010 Intro to the Atmosphere 1 Chap 12 Review: Polar Front Theory ± During and after which war was polar front theory first developed? Where did these people work? ± Do midlatitude storms typically form north of, on, or south of fronts? Why? ± Which season has the strongest north-south temperature contrasts in mid-latitudes and hence the strongest mid-latitude storms? ± What regions in the US are the most common places where storms develop? What are the 2 reasons why they develop there? (1 deals with heat, 1 with spin.) ± What are 3 ways in which a storm gains energy? (2 deal with rising air, 1 with a horizontal push.) Evolution of a Storm ± Answer: Vertically, a storm gains energy by buoyancy (warm air rising, cold air sinking) and release of latent heat during precipitation. Horizontally, a storm gains energy as the pressure gradient force does work on the air, pushing it toward low pressure. ± When a storm becomes occluded, at what stage is it
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