The predictability of cyclogenesis evolving into two distinct scenarii is addressed within a bi-periodic spectral quasi-geostrophic model with uniform potential vorticity.
An initial condition has been carefully built up using finite amplitude top and bottom temperature (...)
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Structure functions correspond to the background error covariance functions. They play a key role in the current data assimilation schemes used in operational centers. In particular these functions contribute to spread the information from the observations. The (...)
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