Intraseasonal variations of tropical cold-point tropopause temperatures

Journal of Climate;  June 15, 2002 ;     700+ words ......indications of Kelvin waves excited by convection...of the MJO on tropical tropopause temperatures...find that the tropical tropopause is affected...identified as Kelvin waves, which have...1994) reported Kelvin waves with periods...and 20-day ...

Observed Relationships between Oceanic Kelvin Waves and Atmospheric...

Journal of Climate;  October 15, 2006 ;     700+ words ......variability that generates basin-scale Kelvin waves in the equatorial Pacific. One source...decrease in the phase speeds of the Kelvin waves and an increase in the period of the...enhances the wind forcing of some of the Kelvin waves, allowing them to continue to amplify...

Analysis of Convectively Coupled Kelvin Waves in the Indian Ocean MJO

Journal of the Atmospheric Sciences;  April 1, 2008 ;     700+ words ......associated with convectively coupled Kelvin waves occur within the active convective envelopes...MJO events. These convectively coupled Kelvin waves also occur during the suppressed convective...suppressed MJO. Time indices of the MJO and Kelvin waves are derived for over the ...

Oceanic Kelvin waves and the Madden-Julian oscillation

Journal of the Atmospheric Sciences;  January 1, 1998 ;     700+ words ......in the tropical troposphere, and the Kelvin waves that dominate the variability of the...eastern Pacific Oceans is explored. The Kelvin waves have period near 70 days, which is distinctly...The stress anomalies that force the Kelvin waves are shown to be associated with the...

Analysis of the Dominant Mode of Convectively Coupled Kelvin Waves in the...

Journal of Climate;  April 15, 2007 ;     700+ words ......dominant mode of convectively coupled Kelvin waves has been detected over the Atlantic...shown that the mean impact of African Kelvin waves on rainfall and convection is of the...hereafter SK02 and SK03) show that Kelvin waves are primary modulators of convective...

Variability of Intraseasonal Kelvin Waves in the Equatorial Pacific Ocean

Journal of Physical Oceanography;  May 1, 2008 ;     700+ words ......the phase speed of oceanic equatorial Kelvin waves forced by the Madden-Julian oscillation...can significantly alter the speed of Kelvin waves initially generated over the western...propagate eastward along the equator as Kelvin waves, which cause prominent intraseasonal...

The observed structure of convectively coupled Kelvin waves: Comparison...

Journal of the Atmospheric Sciences;  July 15, 2003 ;     700+ words ......vertical structure of convectively coupled Kelvin waves are presented and are compared with...important features of observed moist Kelvin waves, but that unrealistic aspects of these...essential component of any theory for moist Kelvin waves is the second baroclinic mode heat ...

Tropical Wave Driving of the Annual Cycle in Tropical Tropopause...

Journal of the Atmospheric Sciences;  May 1, 2006 ;     700+ words ......the annual cycle in the tropical tropopause temperatures, tropical...how the annual cycle in tropical tropopause temperatures arises. Results...that the annual cycle in tropical tropopause temperatures is driven...

The Short-Wave Limit of Linear Equatorial Kelvin Waves in a Shear Flow

Journal of Physical Oceanography;  June 1, 2005 ;     700+ words ......effects of latitudinal shear on equatorial Kelvin waves in the one-and-one-half-layer model...implications for the nonlinear behavior of Kelvin waves. Strong nonlinearity cannot be balanced...understanding of the short-wave behavior of Kelvin waves is necessary for theories of ...

Extratropical forcing of convectively coupled Kelvin waves during Austral...

Journal of the Atmospheric Sciences;  February 1, 2003 ;     700+ words ......the initiation of convectively coupled Kelvin waves in the Pacific intertropical convergence...observed in developed convectively coupled Kelvin waves (15-20 m s^sup -1^). The longer timescale...1. Introduction Convectively coupled Kelvin waves are large-scale, eastward-propagating...

Model for transport across the tropical tropopause

Journal of the Atmospheric Sciences;  April 1, 2001 ;     700+ words ......and advective transport across the tropical tropopause is described. In this model overshooting...dehydrated tropospheric air into a tropical "tropopause layer" (TTL) bounded approximately...Kirk-Davidoff et al. 1999). Air at the tropical tropopause (- 100 hPa) is extremely cold, ...

Fluctuations of Cloud, Humidity, and Thermal Structure near the Tropical...

Journal of Climate;  November 1, 2003 ;     700+ words ......and humidity structures near the tropical tropopause are studied using microwave satellite...Pacific. This, in turn, lies near the tropical tropopause throughout the Tropics. Collectively...temperature and humidity near the tropical tropopause. (ProQuest Information and Learning...

Intraseasonal Variability of the Zonal-Mean Tropical Tropopause Height

Journal of the Atmospheric Sciences;  July 1, 2007 ;     700+ words ......Intraseasonal variability of the zonal-mean tropical tropopause height is shown to be modulated...in temperature fields raise the tropical tropopause at most longitudes within 10 days...explaining the formation of the tropical tropopause, analyses of local radiosonde data...

Control of the Tropical Tropopause and Vertical Transport across It

Journal of Climate;  March 1, 2004 ;     700+ words ......model is used to investigate how the tropical tropopause is influenced by cumulus convection...observed seasonal change of the tropical tropopause. Remarkably, anomalous thermal structure...convection elevates and cools the tropical tropopause. Accompanying those changes overhead...

Convectively Coupled Kelvin Waves in an Idealized Moist General...

Journal of the Atmospheric Sciences;  June 1, 2007 ;     700+ words ......The dynamics of convectively coupled Kelvin waves and their dependence on convection scheme...the authors to study the dependence of Kelvin waves on quantities such as the gross moist...model produces convectively coupled Kelvin waves that are remarkably persistent and dominate...