WP B.1: Improving convective parameterisation Oscar Martínez-Alvarado WP leader: Bob Plant Department of Meteorology University of Reading DIAMET 2011.

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Presentation transcript:

WP B.1: Improving convective parameterisation Oscar Martínez-Alvarado WP leader: Bob Plant Department of Meteorology University of Reading DIAMET June 2011 Reading, UK

To assess the adequacy of current convection parameterisation schemes to represent convective processes in mesoscale processes in the extratropics. The intended tools are –Tracer diagnostics such as those for PV. New variables include theta and moist-related variables (q, q cl, q cf ). –Includes code update from MetUM 6.1 (modsets) to 7.x (FCM). –Decomposition of bulk mass flux schemes into spectral components (Lawrence and Rasch 2005). WP B.1: Objective and methods 2

Pilot campaign case: 24 November Jeffrey has already analysed this case using PV. This set of tools is nearly complete and ready to be used by other users. Care must be taken regarding growth of balance errors. Example: Heating/cooling 3 Cumulative heating /cooling (including advection effects) since 00 UTC 22 November Simulation using LAM MetUM at 12 km grid spacing.