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Observation impact study of an Arctic cyclone associated with a Tropopause Polar Vortex (TPV)-induced Rossby wave initiation event
Monthly Weather Review
AbstractA case study characterized by Arctic cyclogenesis following a tropopause polar vortex (TPV)-induced Rossby wave initiation event is used to better understand how well existing observations constrain analyses of processes influencing Arctic cyclone predictive skill. Complementary techniques of observation system experiments (OSE) and ensemble sensitivity analysis (ESA) are used to investigate the impacts of existing observation networks on predictions for this case. The ESA reveals thatdoi:10.1175/mwr-d-20-0285.1 fatcat:cmsi6ofofbco5dtblmuzoqa2ji