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A reexamination of methods for evaluating the predictability of the atmosphere
methods for evaluating predictability of the atmosphere
2009/11/13
Pioneering work by Lorenz (1965, 1968, 1969) developed a number of methods for exploring the limits of predictability of the atmosphere. One method uses an integration of a realistic numerical model a...
Long range predictability of atmospheric flows
Long range predictability atmospheric flows
2009/11/12
In the light of recent advances in 2D turbulence, we investigate the long range predictability problem of atmospheric flows. Using 2D Euler equations, we show that the full nonlinearity acting on a la...
The role of boundary and initial conditions for dynamical seasonal predictability
role of boundary initial conditions dynamical seasonal predictability
2009/11/12
The importance of initial state and boundary forcing for atmospheric predictability is explored on global to regional spatial scales and on daily to seasonal time scales. A general circulation model i...
Local predictability in a simple model of atmospheric balance
Local predictability simple model atmospheric balance
2009/11/12
The 2 degree-of-freedom elastic pendulum equations can be considered as the lowest order analogue of interacting low-frequency (slow) Rossby-Haurwitz and high-frequency (fast) gravity waves in the atm...