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von Zahn et al. 1998

von Zahn, U., Fiedler, J., Naujokat, B., Langematz, U. and Krüger, K. (1998). A note on record-high temperatures at the northern polar stratopause in winter 1997/98. Geophysical Research Letters 25: doi: 10.1029/1998GL900091. issn: 0094-8276.

A series of lidar temperature soundings from the ALOMAR observatory in northern Norway indicated an extreme warming of a descending stratopause in February 1998. The maximum temperature recorded during this event was +49 ¿C at 40 km altitude. This stratospheric warming is described by means of SSU satellite radiance data and of stratospheric analyses from the Free University Berlin. Comparisons are made to a number of historical events with similar temperature observations from rocket soundings and to results from the Berlin general circulation model. It turns out that in all cases the highest stratopause temperatures occur close to the 40 km altitude level. ¿ 1998 American Geophysical Union

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	Abstract

Keywords
Meteorology and Atmospheric Dynamics, Middle atmosphere dynamics (0341, 0342), Meteorology and Atmospheric Dynamics, Numerical modeling and data assimilation, Meteorology and Atmospheric Dynamics, Remote sensing, Atmospheric Composition and Structure, Pressure, density, and temperature

Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/

Publisher
American Geophysical Union
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