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Northern hemisphere winter stormtrack variability and baroclinic instability

PI: Gregor Leckebusch
Institution: Freie Universität Berlin
Additional Investigators: Uwe Ulbrich, Joaquim Pinto, Thomas Spangehl, Heike Kupfer
The subject of this initiative will be a comprehensive analysis of the mean state and the variability of the northern hemisphere stormtrack activity (defined as the bandpass filtered geopotential height, e.g. 500 hPa) on different time scales. Special emphasis will be laid on the identification of the reliability of the anthropogenic influence on Europe and its relationship to potential baroclinic instability changes (e.g. eady-parameter).

Daily geopotential heights are calculated via the assumption of geostrophy from daily wind speed components.
  • Leckebusch, G. C., U. Ulbrich, L. Fröhlich, and J. G. Pinto, 2007: Property loss potentials for European midlatitude storms in a changing climate. Geophys. Res. Lett., 34, L05703, 10.1029/2006GL027663. Abstract. Full Article. Edit.
  • Leckebusch, G.C., B. Koffi, U. Ulbrich, J.G. Pinto, T. Spangehl, S. Zacharias, 2006: Analysis of frequency and intensity of European winter storm events from a multi-model perspective, at synoptic and regional scales. Climate Research, 31, 59-74. Abstract. Full Article. Edit.

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