The AROME-France Convective-Scale Operational Model

2010/10/22 by Yann Seity, Y. Seity, Pierre Brousseau +13 · 10 citations
Earth and Planetary Sciences · Environmental Science · #Meteorological Phenomena and Simulations #Climate variability and models #Wind and Air Flow Studies

paper · pdf · doi:10.1175/2010mwr3425.1

Abstract

Abstract After six years of scientific, technical developments and meteorological validation, the Application of Research to Operations at Mesoscale (AROME-France) convective-scale model became operational at Météo-France at the end of 2008. This paper presents the main characteristics of this new numerical weather prediction system: the nonhydrostatic dynamical model core, detailed moist physics, and the associated three-dimensional variational data assimilation (3D-Var) scheme. Dynamics options settings and variables are explained. The physical parameterizations are depicted as well as their mutual interactions. The scale-specific features of the 3D-Var scheme are shown. The performance of the forecast model is evaluated using objective scores and case studies that highlight its benefits and weaknesses.

Citations

• Some numerical experiments with variable-storage quasi-Newton algorithms

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