Dr Mike Cullen (Met Office, Exeter)

will speak on

Why is the atmosphere so predictable?

Time: 2:15PM
Date: Thu 22nd November 2007
Location: Mathematical Sciences Seminar Room [map]

Further information

Abstract:
The atmosphere evolves according to well-known physical laws. However,
direct solution of these laws is impracticable because of the complexity
of the solutions. Modern computer models have to solve an averaged form
of the equations.

Accurate predictions, such as are routinely made by operational centres,
depend on there being a degree of large-scale control in the system. The
talk describes and illustrates recent theoretical advances in
understanding how this takes place. In particular, it is possible to
create models which describe only the large-scale flows associated with
weather systems, and prove that they can be solved independently.

(This talk is part of the Meteorology series.)

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