Natural Resources, School of
Document Type
Article
Date of this Version
1987
Citation
Monthly Weather Review Volume 115
Abstract
A ten-year (1974-83) satellite record of snow cover is compared to a standard index of the Southern Oscillation. South American snow cover area during the May-October snow season is found to be correlated significantly with the winter SOI values of the same year. The relationship is inverse; periods of low SOI values are associated with extensive South American snow cover while periods of high SOI values occur during years of diminished snow cover. The movements of the Pacific anticyclone and the midlatitude westerlies and subsequent changes in precipitation and temperature patterns are discussed in an analysis of this relationship.
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Comments
© 1987 American Meteorological Society