Influence of the Quasi-Biennial Oscillat
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Nedjeljka Ε½agar; Erik Andersson; Michael Fisher; Agathe Untch
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Article
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2007
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John Wiley and Sons
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English
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## Abstract This paper addresses the impact of the QuasiβBiennial Oscillation (QBO) on the backgroundβerror covariances in the tropical atmosphere of the ECMWF model. The tropical shortβrangeβforecastβerror covariances are represented in terms of equatorial waves coupled to convection. By comparin