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UGA - GEOG 1111 - Class Notes - Week 14

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Schools > University of Georgia > Geography > GEOG 1111 > UGA - GEOG 1111 - Class Notes - Week 14

UGA - GEOG 1111 - Class Notes - Week 14

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background image Geography 1111 Lecture 14 Notes Mid­Latitude Wave Cyclone is a low­pressure cell that forms and moves 
along a frontal boundary
o It exhibits  counter­clockwise circulation (NH) around the low  center and produces a wavelike deformation of the front Stages of the Wave Cyclone Life Cycle: ***the main ones to remember 
are 3, 4 and 5***
o Stage 1: Two air masses, a cold (cP or mP) and a warm (mT) are set­
up along a front and move parallel to it
o Stage 2: A wave forms as warm air starts to move pole ward while 
cold air moves equator ward
o Stage 3: Cyclonic (counter­clockwise) circulation develops, with 
general convergence at the surface and uplifting
The warm air overrides the cold air (frontal wedging) and a 
Cold Front and Warm Front are established
o Stage 4: The Cold front moves faster than the warm front and 
begins to overtake it
This is the beginning stage of  occlusion and the basic  formation of an  Occluded Front o Stage 5: Full development of an Occluded Front has a occurred and 
the system is at its 
maximum intensity It exhibits a steep pressure gradient and strong winds  and it is  in this stage when the severest weather (tornadoes, hail, 
etc.) will likely occur, if it is going to occur
o Stage 6: The pressure gradient weakens, energy supply is exhausted 
system dissipates     A Mid­Latitude Wave Cyclone can be thought of as having 3 sections based
primarily on temperature, but exhibiting different weather as well
o Warm Sector: the area between the Warm Front and the Cold Front o Cool Sector: the area ahead of the Warm Front o Cold Sector: the area behind the Cold Front Winds of a Wave Cyclone: o Warm sector: the winds are primarily southwesterly and southerly

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School: University of Georgia
Department: Geography
Course: Intro to Physical Geography
Professor: Hopkins
Term: Fall 2016
Name: Geography 1111 Lecture 14 Notes
Description: This is a filled in copy of the Lecture 14 notes that we completed in Professor Hopkin's class on Friday (9/16).
Uploaded: 09/19/2016
2 Pages 38 Views 30 Unlocks
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