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How well do high resolution models reproduce tropical convection?

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Pearson, K. J., Hogan, R.J., Allan, R.P. and Lister, G. M. S. (2009) How well do high resolution models reproduce tropical convection? Proceedings of the 2009 EUMETSAT Meteorological Satellite Conference, P.55. S8, 44. ISSN 1011-3932

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Abstract/Summary

Cascade is a multi-institution project studying the temporal and spatial organization of tropical convective systems. While cloud resolving numerical models can reproduce the observed diurnal cycle of such systems they are sensitive to the chosen resolution. As part of this effort, we are comparing results from the Met. Office Unified Model to data from the Global Earth Radiation Budget satellite instrument over the African Monsoon Interdisciplinary Analyses region of North Africa. We use a variety of mathematical techniques to study the outgoing radiation and the evolution of properties such as the cloud size distribution. The effectiveness of various model resolutions is tested with a view to determining the optimum balance between resolution and the need to reproduce the observations.

Item Type:Article
Refereed:No
Divisions:Faculty of Science > School of Mathematical and Physical Sciences > Department of Meteorology
Faculty of Science > School of Mathematical and Physical Sciences > Environmental Systems Science Centre
Faculty of Science > School of Mathematical and Physical Sciences > NCAS
ID Code:2043
Additional Information:2009 EUMETSAT METEOROLOGICAL SATELLITE CONFERENCE Bath, United Kingdom 21 - 25 September 2009 EUMETSAT P.55 ISBN 978-92-9110-086-6 ISSN 1011-3932
Publisher:EUMETSAT

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