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Veranstaltungskalender


Kolloquium
Near-surface strong winds and sting jets in extratropical winter storms
21.11.2017, 16:45 - 17:45
KIT, CS, IMK-TRO, Geb. 30.23. 13.OG, Seminarraum
 

Strong surface wind gusts within extratropical cyclones are closely connected to the presence of intense jets in the lower troposphere like the warm-conveyor-belt jet, the cold-conveyor-belt jet or the sting jet. The formation of these jets is analyzed by performing an eddy kinetic energy budget and using both reanalysis data and idealized numerical experiments. Then, the presentation will focus on sting jets which occur in the frontal fracture zone of the so-called Shapiro-Keyser cyclones. The different mechanisms leading to their formation will be compared using both idealized and real case simulations. Finally, processes allowing the transfer of momentum within the boundary layer down to the surface will be discussed.

 
Diese Veranstaltung ist Teil der Reihe Karlsruher Meteorologisches Kolloquium
Homepage
http://www.imk.kit.edu/english/88.php
Referent/in
Dr. Gwendal Rivière

Ecole Normale Supérieure
Laboratoire de Météorologie Dynamique
Veranstalter
IMK-TRO
Institut für Meteorologie und Klimaforschung (IMK-TRO)
KIT
Wolfgang-Gaede-Str. 1
76131 Karlsruhe
Tel: 0721 608 43356
E-Mail:doris stenschkeIth1∂kit edu
http://www.imk-tro.kit.edu
Zielgruppe
Forschung und Partner
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