AbstractsBiology & Animal Science

Quantification of the Downstream Impact of Extratropical Transition for Typhoon Jangmi and Other Case Studies

by Christian Michael Grams




Institution: Universität Karlsruhe
Department:
Year: 2015
Keywords: Tropischer Wirbelsturm, mittlere Breiten, Strahlstrom, Potentielle Vorticity Inversion, Atmosphärische Dynamik, Tropical Cyclone, midlatitudes, jet stream, potential vorticity inversion, Atmospheric Dynamics
Record ID: 1114909
Full text PDF: http://digbib.ubka.uni-karlsruhe.de/volltexte/documents/3464197


Abstract

The impact of extratropical transition on the midlatitude flow is quantified based on potential vorticity inversion. The detailed study of Typhoon Jangmi (2008) reveals the diabatically enhanced net transport of low-PV air to the tropopause as the key physical process determining the direct impact of ET. Relocation experiments and further case studies show the crucial role of the relative position of the TC and the midlatitude flow for the downstream impact of ET and the reduced predictability.