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Comparison Of Total Lightning Evolution And Polarimetric Radar Parameters In The Framework Of The BMBF klimazwei-Project RegioExAKT

Meyer, Vera and Höller, Hartmut and Hagen, Martin and Kober, Kirstin and Forster, Caroline and Tafferner, Arnold and Schmidt, Kersten and Betz, Hans-Dieter (2008) Comparison Of Total Lightning Evolution And Polarimetric Radar Parameters In The Framework Of The BMBF klimazwei-Project RegioExAKT. Fifth European Conference on Radar in Meteorology and Hydrology (ERAD), 2008-06-30 - 2008-07-04, Helsinki, (FIN).

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Abstract

Within the BMBF klimazwei-project RegioExAKT the evolution of selected polarimetric radar data fields and the electrical activity of thunderstorms is analyzed with respect to the severe storm potential. Special focus is laid on the three-dimensional resolution of lightning incidents which allows for the discrimination of intracloud (IC) and cloud-to-ground (CG) events, too. The aim of the study is to interpret the temporal evolution of the observed quantities in terms of the underlying microphysical processes like e.g. rain, graupel or hail formation which have a hazardous potential and to assess how their history can be used to estimate the state and the further progress of a thunderstorm and its electrical activity. The temporal evolution of both the radar parameters and the lightning parameters will be shown in case studies for selected thunderstorms. Primary radar data were obtained from the C-band dual-polarization Doppler radar POLDIRAD of the DLR in Oberpfaffenhofen, Germany. Radar quantities such as reflectivity, linear depolarization index (LDR), differential reflectivity (ZDR) are used as well as a hydrometeor classification. Lightning data were provided by the European lightning detection network LINET. The network locates atmospheric discharges using the arrival time of the magnetic field of lightning induced electro-magnetic radiation in the VLF/LF regime. The system records the total lightning activity with lightning amplitudes, polarity and emission heights for IC strokes.

Item URL in elib:https://elib.dlr.de/56347/
Document Type:Conference or Workshop Item (Poster)
Title:Comparison Of Total Lightning Evolution And Polarimetric Radar Parameters In The Framework Of The BMBF klimazwei-Project RegioExAKT
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Meyer, VeraUNSPECIFIEDUNSPECIFIED
Höller, HartmutUNSPECIFIEDUNSPECIFIED
Hagen, MartinUNSPECIFIEDUNSPECIFIED
Kober, KirstinUNSPECIFIEDUNSPECIFIED
Forster, CarolineUNSPECIFIEDUNSPECIFIED
Tafferner, ArnoldUNSPECIFIEDUNSPECIFIED
Schmidt, KerstenNowcast GmbHUNSPECIFIED
Betz, Hans-DieterNowcast GmbHUNSPECIFIED
Date:30 June 2008
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:REgioExAKT, LINET, polarimetric radar, thunderstorms, lightning, thunderstorm lifecycle
Event Title:Fifth European Conference on Radar in Meteorology and Hydrology (ERAD)
Event Location:Helsinki, (FIN)
Event Type:international Conference
Event Dates:2008-06-30 - 2008-07-04
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:L SF - Safe and Efficient Air Traffic Guidance (old)
DLR - Research area:Aeronautics
DLR - Program:L SF - Safe and Efficient Air Traffic Guidance
DLR - Research theme (Project):L - Air Traffic and Weather (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Cloud Physics and Traffic Meteorology
Deposited By: Forster, Dr. Caroline
Deposited On:26 Nov 2008
Last Modified:15 Jan 2010 00:31

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