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Mountain-Wave Turbulence Encounter of the Research Aircraft HALO above Iceland

Bramberger, Martina and Dörnbrack, Andreas and Wilms, Henrike and Ewald, Florian and Sharman, Robert D. (2020) Mountain-Wave Turbulence Encounter of the Research Aircraft HALO above Iceland. Journal of Applied Meteorology and Climatology, 59 (3), pp. 567-588. American Meteorological Society. ISSN 1558-8424

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Official URL: http://dx.doi.org/10.1175/JAMC-D-19-0079.1

Abstract

Strong turbulence was encountered by the German High-Altitude Long-Range Research Aircraft (HALO) at flight level 430 (13.8 km) on 13 October 2016 above Iceland. In this event the turbulence caused altitude changes of the research aircraft of about 50 m within a period of approximately 15 s. Additionally, the automatic thrust control of the HALO could not control the large gradients in the horizontal wind speed and, consequently, the pilot had to switch off this system. Simultaneously, the French Falcon of Service des Avions Français Instrumentés pour la Recherche en Environnement (SAFIRE), flying 2 km below HALO, also encountered turbulence at almost the same location.

Item URL in elib:https://elib.dlr.de/134877/
Document Type:Article
Title:Mountain-Wave Turbulence Encounter of the Research Aircraft HALO above Iceland
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Bramberger, MartinaIPA, DLRUNSPECIFIED
Dörnbrack, AndreasIPA, DLRUNSPECIFIED
Wilms, HenrikeIPA, DLRUNSPECIFIED
Ewald, FlorianIPA, DLRUNSPECIFIED
Sharman, Robert D.NCAR, Boulder, CO, USAUNSPECIFIED
Date:2020
Journal or Publication Title:Journal of Applied Meteorology and Climatology
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:59
Page Range:pp. 567-588
Publisher:American Meteorological Society
ISSN:1558-8424
Status:Published
Keywords:Halo, Iceland, mountain-wave
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:air traffic management and operations
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Climate, Weather and Environment
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Transport Meteorology
Institute of Atmospheric Physics > Lidar
Deposited By: Ziegele, Brigitte
Deposited On:14 May 2020 17:48
Last Modified:14 May 2020 17:48

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