H
Heini Wernli
Researcher at ETH Zurich
Publications - 306
Citations - 17718
Heini Wernli is an academic researcher from ETH Zurich. The author has contributed to research in topics: Extratropical cyclone & Precipitation. The author has an hindex of 67, co-authored 257 publications receiving 14867 citations. Previous affiliations of Heini Wernli include École Polytechnique Fédérale de Lausanne & University of Mainz.
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Journal ArticleDOI
A PV Perspective on the Vertical Structure of Mature Midlatitude Cyclones in the Northern Hemisphere
Jana Čampa,Heini Wernli +1 more
TL;DR: In this paper, the amplitude of the potential vorticity (PV) anomalies of mature extratropical cyclones in different regions in the Northern Hemisphere on a climatological basis is quantified based on the interim ECMWF Re-Analysis (ERA-Interim) dataset.
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The North Atlantic Waveguide and Downstream Impact Experiment
Andreas Schäfler,George C. Craig,Heini Wernli,Philippe Arbogast,James D. Doyle,Ron McTaggart-Cowan,John Methven,Gwendal Rivière,Felix Ament,Maxi Boettcher,Martina Bramberger,Quitterie Cazenave,Richard Cotton,Susanne Crewell,Julien Delanoë,Andreas Dörnbrack,André Ehrlich,Florian Ewald,Andreas Fix,Christian M. Grams,Suzanne L. Gray,Hans Grob,Silke Groß,Martin Hagen,Ben Harvey,Lutz Hirsch,Marek Jacob,Tobias Kölling,Heike Konow,Christian Lemmerz,Oliver Lux,Linus Magnusson,Bernhard Mayer,Mario Mech,Richard W. Moore,Jacques Pelon,Julian F. Quinting,Stephan Rahm,Markus Rapp,Marc Rautenhaus,Oliver Reitebuch,Carolyn A. Reynolds,Harald Sodemann,Thomas Spengler,Geraint Vaughan,Manfred Wendisch,Martin Wirth,Benjamin Witschas,Kevin Wolf,Tobias Zinner +49 more
TL;DR: The North Atlantic Waveguide and Downstream Impact Experiment (NAWDEX) explored the impact of diabatic processes on disturbances of the jet stream and their influence on downstream high-impact weather through the deployment of four research aircraft, each with a sophisticated set of remote-sensing and in situ instruments, and coordinated with a suite of ground-based measurements as discussed by the authors.
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Stratosphere–Troposphere Exchange and Its Relation to Potential Vorticity Streamers and Cutoffs near the Extratropical Tropopause
TL;DR: In this paper, two distinct dynamical processes near the dynamical tropopause (2-PVU surface) and their relation are discussed: stratosphere-troposphere exchange (STE) and the formation of distinct potential vorticity (PV) structures in the form of stratospheric and tropospheric streamers and cutoffs on isentropic surfaces.
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A Climatology of Cold Air Outbreaks and Their Impact on Air–Sea Heat Fluxes in the High-Latitude South Pacific
TL;DR: In this paper, a climatology of cold air outbreaks in the high latitudes of the South Pacific and an analysis of the dynamical mechanisms leading to their formation are presented.
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Sources of water vapour contributing to the Elbe flood in August 2002 : A tagging study in a mesoscale model
TL;DR: In this article, an 8-day simulation with the mesoscale numerical weather prediction model CHRM, including newly implemented water vapour tracers, has been performed to investigate the contribution of various moisture sources to the Elbe flood that occurred in Central Europe during August 2002.