FGGE 4-dimensional data assimilation at ECMWF ( weather forecasts).

Bengtsson, Lennart; Kanamitsu, M.; Kallberg, P.; Uppala, S.

doi:10.1175/1520-0477-63.1.29

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FGGE 4-dimensional data assimilation at ECMWF ( weather forecasts).

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Bengtsson, L., Kanamitsu, M., Kallberg, P., & Uppala, S. (1982). FGGE 4-dimensional data assimilation at ECMWF ( weather forecasts). Bulletin of the American Meteorological Society, 63, 29-43. doi:10.1175/1520-0477-63.1.29.

Cite as: https://hdl.handle.net/21.11116/0000-000B-0F1D-6

Abstract

The 4-dimensional data-assimilation system used to produce the FGGE level III-b data set at the European Centre for Medium Range Weather Forecasts (ECMWF) is described. The system consists of a three-dimensional multivariate optimum interpolation, a nonlinear normal mode initialization, and associated automatic system for data checking. A 15-level model with a horizontal resolution of 1.875o is used for the dynamical assimilation. -from Authors