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Atmospheric Dynamics II

Atmospheric Dynamics II. Prof. Zhuo Wang 205 Atmospheric Science Building PH: 244-4270 e-mail: zhuowang@illinois.edu Time: Tues/Thurs, 12: 3 0 – 1: 45 p.m. . Why should we learn Dynamics?.

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Atmospheric Dynamics II

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  1. Atmospheric Dynamics II Prof. Zhuo Wang 205 Atmospheric Science Building PH: 244-4270 e-mail: zhuowang@illinois.edu Time: Tues/Thurs, 12:30 – 1:45p.m.

  2. Why should we learn Dynamics? Dynamic meteorology is the theoretical study of the atmospheric motions that are associated with weather and climate. It tells you why atmospheric motions take the forms/patterns they have and why they evolve and change in the way they do.

  3. Why is a low-pressure system usually associated with cloudy or rainy weather? L V CF PGF friction

  4. Why is a low-pressure system usually associated with cloudy or rainy weather? L V CF PGF friction

  5. Why is a low-pressure system usually associated with cloudy or rainy weather? L V CF PGF friction

  6. Why is a low-pressure system usually associated with cloudy or rainy weather? L V CF PGF friction

  7. Why is a low-pressure system usually associated with cloudy or rainy weather?

  8. ENSO

  9. Impacts of ENSO

  10. 200 hPaGeopotential Height Composite during El Nino Events: The Pacific-North American (PNA) Pattern How does a tropical forcing induce a stationary wave train pattern extending to the extratropics? Years: Nino 3.4 
1958: 1.607 
1966: 1.308 
1973: 1.639 
1983: 2.548 
1987: 1.254 
1992: 1.820 
1995: 1.013 
1998: 2.396 
2003: 1.162

  11. Rossby Waves and Vorticity Equation

  12. Textbooks and Course Materials • Mid-Latitude Atmospheric Dynamics: A First Course, by Jonathan E. Martin • An Introduction to Dynamic Meteorology, 4th Edition, by J. Holton, 2004, Academic Press Elsevier • Lecture notes

  13. Topics • Fundamentals for understanding atmospheric motions • Planetary boundary layer • Circulation and Vorticity • Potential Vorticity • Simple Waves • Mid-latitude Synoptic-Scale Vertical Motions • Mid-latitude Cyclogenesis • Application of PV to Mid-latitude Weather Systems • Frontogenesis *March 5-8, April 16-20

  14. Grading • Homework: 30% • Tests (5): 70% • No final or midterm

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