Tropical teleconnections to the seesaw in winter temperatures between Greenland and Northern Europe.

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Abstract

A significant correlation exists between the strength of the northeast and southeast trades in the Atlantic in seesaw winters but not in other winters. Trade wind anomolies persist through all seasons prior to and following seesaw winters south of 20oN. The subtropical jet position at 300 mb in the Northern Hemisphere moves north (southz9 in GB (GA) winters, except over Africa. A southward (northward) shift of the ITCZ in Africa occurs in GB (GA) winters. Relative sea levels across the Gulf Stream indicate that the geostrophic velocity of the current decreases (increases) in GB (GA) winters. Ocean-related features occur at all latitudes in summers and autumns preceeding, and springs following, seesaw winters. - from Author

Original languageEnglish
JournalInstitute of Arctic & Alpine Research, Occasional Paper
Volume28
StatePublished - 1979

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