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Intraseasonal interactions between the tropics and extratropics in the Southern HemisphereObservational evidence is presented of connections between tropical heating and circulation changes in subtropical and extratropical latitudes of the Southern Hemisphere (SH) in summer and winter, and the processes responsible for these interactions are described. The observational evidence suggests that, during SH summer (but not SH winter), both the acceleration of westerly winds south of the heating region through meridional overturnings and excitation of Rossby waves are possible. During winter, the enhanced tropical convective activity results again in local meridional overturning with zonal wind acceleration of Rossby waves farther south.
Document ID
19930065075
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Berbery, Ernesto H.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Nogues-Paegle, Julia
(Utah Univ. Salt Lake City, United States)
Date Acquired
August 16, 2013
Publication Date
July 1, 1993
Publication Information
Publication: Journal of the Atmospheric Sciences
Volume: 50
Issue: 13
ISSN: 0022-4928
Subject Category
Meteorology And Climatology
Accession Number
93A49072
Funding Number(s)
CONTRACT_GRANT: NAG5-127
CONTRACT_GRANT: NSF ATM-91-14073
Distribution Limits
Public
Copyright
Other

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