A Diagnosis of the development of a Winter Anticyclone over North America

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A Diagnosis of the development of a Winter Anticyclone over North America

Please use this identifier to cite or link to this item: http://hdl.handle.net/10355/2405

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Title: A Diagnosis of the development of a Winter Anticyclone over North America
Author: Lupo, Anthony R., 1966-; King, Melinda L.; Smith, Phillip J.
Contributor: University of Missouri-Columbia. College of Agriculture, Food and Natural Resources (CAFNR). School of Natural Resources. Department of Soil, Environmental and Atmospheric Sciences.
Keywords: winter anticyclone
Date: 1995-08
Publisher: American Meteorological Society
Citation: Monthly Weather Review Volume 123, Issue 8 pp. 2273-2284
Abstract: This paper examines the 48-h life cycle of a winter anticyclone occurring over North America from 18 to 20 January 1979 using Goddard Laboratory for Atmospheres FGGE level IIIb (SOP 1) global analyses on a 4° latitude by 5° longitude grid. Applying the relatively new methodology of the Zwack-Okossi equation, results show that anticyclonic vorticity advection and cold-air advection acted to develop the anticyclone, while adiabatic warming in the descending air opposed development. Other forcing processes made only small contributions to anticyclone changes. Vertical profiles of the development quantities reveal that vorticity and temperature advections, as well as the adiabatic warming, maximized in the 200- 300-mb layer.
URI: http://hdl.handle.net/10355/2405
ISSN: 1520-0493

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