UW-Madison ATMOCN 100 - Review of Tropical vs Extratropical Cyclones (2 pages)

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Review of Tropical vs Extratropical Cyclones



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Review of Tropical vs Extratropical Cyclones

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A short lecture with some review


Lecture number:
33
Pages:
2
Type:
Lecture Note
School:
University of Wisconsin, Madison
Course:
Atmocn 100 - Weather and Climate
Edition:
1
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Unformatted text preview:

Atm Ocn 100 Edition 1nd Lecture 33 Outline of Last Lecture I Weather of the day II Some Review III Hurricane Structure Outline of Current Lecture II Review about Difference between Extratropical Cyclones and Tropical Cyclones Current Lecture In tropical cyclones the air rises clockwise Energy source for extratropical cyclones is cold air next to warm air An extratropical cyclone configuration is that there would be low pressure in the middle with cold air on either side The relatively warm air would be trapped in the middle In a tropical cyclone the core is warm It will produce strong winds at the surface because the convergence of the circulation is focused at the surface where they are being drawn together to rise Extratropical cyclone derives its energy from the thermal contrast An extratropical cyclone is allowing the cold air that is propped up that is kept in equilibrium of earth to advance to the south and the warm air to slide over the top of it and advance to the north And release energy that is built by that cold air sitting there The relationship of cold air and warm air next to each other the energy is there but it can t be released It is being propped up by the coriolis or spinning of the earth To spin the earth it holds the cold air there But it can still advance southward on a finer scale



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