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The Key Role of Diabatic Outflow in Amplifying the Midlatitude Flow: a Representative Case Study of Weather Systems Surrounding Western North Pacific Extratropical Transition
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The article was published on 2017-01-25 and is currently open access. It has received 56 citations till now. The article focuses on the topics: Outflow & Extratropical cyclone.read more
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Journal ArticleDOI
Rossby Wave Packets on the Midlatitude Waveguide—A Review
TL;DR: In this paper, a review of the literature on upper-tropospheric transient wave packets along the midlatitude jet stream is presented, with an emphasis on developments during the last 15 years.
Journal ArticleDOI
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.
Journal ArticleDOI
An atmospheric dynamics perspective on the amplification and propagation of forecast error in numerical weather prediction models: A case study
Journal ArticleDOI
The Extratropical Transition of Tropical Cyclones. Part II: Interaction with the Midlatitude Flow, Downstream Impacts, and Implications for Predictability
Julia H. Keller,Julia H. Keller,Christian M. Grams,Christian M. Grams,Michael Riemer,Heather M. Archambault,Lance F. Bosart,James D. Doyle,Jenni L. Evans,Thomas J. Galarneau,Kyle S. Griffin,Patrick A. Harr,Naoko Kitabatake,Ron McTaggart-Cowan,Florian Pantillon,Julian F. Quinting,Julian F. Quinting,Carolyn A. Reynolds,Elizabeth A. Ritchie,Ryan D. Torn,Fuqing Zhang +20 more
TL;DR: The extratropical transition (ET) of tropical cyclones often has an important impact on the nature and predictability of the midlatitude flow of the tropical cyclone as discussed by the authors.
References
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Quantification of the Downstream Impact of Extratropical Transition for Typhoon Jangmi and Other Case Studies
TL;DR: In this article, the impact of extratropical transition on the midlatitude flow is quantified based on potential vorticity inversion, which reveals the diabatically enhanced net transport of low-PV air to the tropopause as the key physical process determining the direct impact of ET.
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On the Co-Occurrence of Warm Conveyor Belt Outflows and PV Streamers*
TL;DR: In this paper, the co-occurrence of warm conveyor belts (WCBs), strongly ascending moist airstreams in extratropical cyclones, and stratospheric potential vorticity (PV) streamers, indicators for breaking Rossby waves on the tropopause, was investigated for a 21-yr period in the Northern Hemisphere using Interim European Centre for Medium-Range Weather Forecasts (ECMWF) Re-Analysis (ERA-Interim) data.
Journal ArticleDOI
The Resonant Interaction of a Tropical Cyclone and a Tropopause Front in a Barotropic Model. Part I: Zonally Oriented Front
TL;DR: In this article, the interaction between a tropical cyclone and a zonally aligned tropopause front is investigated in an idealized framework, in which the front is represented by a vorticity step, giving a jetlike velocity profile.
Journal ArticleDOI
The structure and evolution of lower stratospheric frontal zones. Part II: The influence of tropospheric ascent on lower stratospheric frontal development
TL;DR: In this paper, the authors examined four recent cases of lower stratospheric frontogenesis in southwesterly flow to elucidate the interaction between lower stratosphere dynamical processes and tropospheric ascent that characterizes such developments.
Journal ArticleDOI
Favorable versus unfavorable synoptic backgrounds for indirect precipitation events ahead of tropical cyclones approaching the Korean Peninsula: A comparison of two cases
TL;DR: In this paper, the authors identify favorable synoptic backgrounds for indirect precipitation events over the Korean Peninsula that occur well in advance of tropical cyclone (TC) landfall and compare two TCs, i.e., Rammasun (2002) and Maemi (2003) that made landfall and produced heavy rainfall over the Peninsula are compared.
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