# Dynamical Meteorology

### From AOSS Classes

At University of Michigan in the Department of Atmospheric, Oceanic, and Space Sciences (AOSS) we teach dynamical meteorology for undergraduate majors. Currently we use the 4th Edition of Jim Holton's book.

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## Courses

AOSS 321 AOSS 321

The first course is taught in partnership with the geology department. It is an introduction to dynamics in the atmosphere and in the interior of the Earth. The atmospheric part of the course covers the material in the first two chapters of Holton. Forces in fluids, rotating coordinate systems, the material derivative, basic conservation equations.

AOSS 401 AOSS 401

This is the second course in the series. It quickly reviews the material in the previous course, then focuses on chapters 3, 4, and 6. We learn about balance in the atmosphere - geostrophic, hydrostatic and adiabatic. How these balances describe the atmosphere and how imbalance is important to weather and climate. Vortices and waves, balanced winds, pressure coordinates, vorticity, divergence, quasi-geostrophic theory. We use lots of pictures and movies and look at the weather in almost every class.

Here are powerpoints of Rood's and Posselt's lectures from 2007. You are welcome to use these, and it would be nice if you let me know. ( rbrood@umich.edu ) (Tell me if you find mistakes! Thanks.)

AOSS 451 AOSS 451

This course covers material beyond chapter 6 in Holton. It starts with a review of quasi-geostrophic theory. Waves and instabilities in the atmosphere; the general circulation of the atmosphere; planetary and equatorial waves: overview of the dynamics of the middle atmosphere; wave-mean flow interaction; mean and transformed Eulerian mean circulation; tropical meteorology; energy.

## Instructors

We who teach the course have gone to some effort to coordinate and standardize the series. We are:

Christiane Jablonowski Jablonowski's AOSS Page

Derek Posselt Posselt's AOSS Page

Richard Rood Rood's AOSS Page

We have also worked with Chris Ruf and Natalia Andronova to coordinate AOSS 323 with the undergraduate dynamical meteorology curriculum. AOSS 323 is about analysis of data and helps to tune the courses in mathematics to the AOSS curriculum. Here is a summary of the math knowledge that we expect in the dynamics courses.

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