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WPA.1. Progress Update

WPA.1. Progress Update. Quantifying the diabatic sources of PV anomalies. Recent work: MetUM case study analysis with PV source/sink tracers (1 paper to be submitted to QJ, 1 in prep). PV tripoles Associated with warming/cooling dipoles across fronts

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WPA.1. Progress Update

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  1. June 2011 WPA.1. Progress Update Quantifying the diabatic sources of PV anomalies Recent work: MetUM case study analysis with PV source/sink tracers (1 paper to be submitted to QJ, 1 in prep) • PV tripoles • Associated with warming/cooling dipoles across fronts • Due mainly to microphysical processes • Generation strongly regulated by the ambient relative vorticity Plans: Continued case study analysis + idealised experiments to examine origin, evolution, and consequences of PV tripoles and midlevel PV “strips” (or “banners”)

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