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Influence of the Wind Profile on the Location of Hotspots of Convection in Mountainous Terrain

Hagen, Martin and van Baelen, Joel and Richard, Evelyne (2009) Influence of the Wind Profile on the Location of Hotspots of Convection in Mountainous Terrain. In: Annalen der Meteorologie, 44, pp. 32-33. Deutscher Wetterdienst, Offenbach am Main. 30th International Conference on Alpine Meteorology, 11.-15. Mai 2009, Rastatt, Deutschland. ISBN 978-3-88148-440-4. ISSN 0072-4122

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Abstract

Radar observation of the initiation and life cycle of small convective cells during the COPS field campaign in south-western Germany and eastern France show a dependence on the prevailing wind profile. Several hotspots for convective initiation were identified. Orographic features favour convergent flow. On the days when weak winds were prevailing cells developed over the crest line, whereas on days when strong westerly wind were observed the initiation of convection took place in the lee of the mountains within convergent flow.

Document Type:Conference or Workshop Item (Speech)
Title:Influence of the Wind Profile on the Location of Hotspots of Convection in Mountainous Terrain
Authors:
AuthorsInstitution or Email of Authors
Hagen, Martinmartin.hagen@dlr.de
van Baelen, JoelUniv. de Clermont-Ferrand, F
Richard, EvelyneObservatoire Midi-Pyrénées, Toulouse, F
Date:11 May 2009
Journal or Publication Title:Annalen der Meteorologie
Refereed publication:Yes
In ISI Web of Science:No
Volume:44
Page Range:pp. 32-33
Publisher:Deutscher Wetterdienst, Offenbach am Main
ISSN:0072-4122
ISBN:978-3-88148-440-4
Status:Published
Keywords:weather radar, orography, convection
Event Title:30th International Conference on Alpine Meteorology
Event Location:Rastatt, Deutschland
Event Type:international Conference
Event Dates:11.-15. Mai 2009
Organizer:DLR, DWD, Karlsruhe Institut für Technologie
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Atmosphären- und Klimaforschung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Cloud Physics and Traffic Meteorology
Deposited By: Dr.rer.nat. Martin Hagen
Deposited On:26 Jan 2010 14:06
Last Modified:12 Dec 2013 20:49

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