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Intraseasonal Variations of Tropical Cold-Point Tropopause Temperatures

Intraseasonal Variations of Tropical Cold-Point Tropopause Temperatures Intraseasonal variability of the tropical cold-point tropopause (CPT) and its relationship with tropical convection are investigated. Negative CPT temperature anomalies lead negative outgoing longwave radiation anomalies associated with enhanced convection by about 2––10 days throughout almost the entire lifetime of the Madden––Julian oscillation. It is proposed that the negative CPT temperature anomalies, together with positive tropospheric mean temperature anomalies found by other authors, are likely indications of Kelvin waves excited by convection centered to the west of the temperature anomalies. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Climate American Meteorological Society

Intraseasonal Variations of Tropical Cold-Point Tropopause Temperatures

Journal of Climate , Volume 15 (12) – Mar 12, 2001

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References (28)

Publisher
American Meteorological Society
Copyright
Copyright © 2001 American Meteorological Society
ISSN
1520-0442
DOI
10.1175/1520-0442(2002)015<1460:IVOTCP>2.0.CO;2
Publisher site
See Article on Publisher Site

Abstract

Intraseasonal variability of the tropical cold-point tropopause (CPT) and its relationship with tropical convection are investigated. Negative CPT temperature anomalies lead negative outgoing longwave radiation anomalies associated with enhanced convection by about 2––10 days throughout almost the entire lifetime of the Madden––Julian oscillation. It is proposed that the negative CPT temperature anomalies, together with positive tropospheric mean temperature anomalies found by other authors, are likely indications of Kelvin waves excited by convection centered to the west of the temperature anomalies.

Journal

Journal of ClimateAmerican Meteorological Society

Published: Mar 12, 2001

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