Stratospheric temperatures during the 88-89 Northern Hemisphere winter

The Airborne Arctic Stratospheric Expedition (AASE) was conducted during January and February 1989. The polar stratosphere during this period was characterized by cold conditions from January to mid-February. A mid-February wave 2 major warming considerably warmed the polar stratosphere, but did not...

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Bibliographic Details
Main Authors: Newman, Paul A., Lait, Leslie R., Schoeberl, Mark R., Nagatani, Ronald M.
Format: Other/Unknown Material
Language:unknown
Published: 1990
Subjects:
46
Arctic
Online Access:http://ntrs.nasa.gov/search.jsp?R=19900041413
Description
Summary:The Airborne Arctic Stratospheric Expedition (AASE) was conducted during January and February 1989. The polar stratosphere during this period was characterized by cold conditions from January to mid-February. A mid-February wave 2 major warming considerably warmed the polar stratosphere, but did not immediately lead to a lower stratospheric vortex breakup. As inferred from temperature data, January temperatures were sufficient for polar stratospheric cloud (PSC) formation. PSC regional extent was greater than the long-term average, but not significantly larger than in previous years.

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