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Dynamics of Tropical Low-Frequency Waves: An Analysis of the Moist Kelvin Wave
Publisher: American Meteorological Society
Abstract: Stability of the equatorial atmosphere to a quasi-zonal, low frequency (order of 10?6 s?1) disturbance is investigated, using a model that consists of a two-layer free atmosphere and well-mixed boundary layer. The inclusion ...
The Nature of CISK in a Generalized Continuous Model
Publisher: American Meteorological Society
Abstract: In spite of the fundamental difficulties in interpreting the growth of tropical storms, the basic idea of CISK remains valuable in understanding the instability resulting from the interaction between cumulus convection and ...
The Development Mechanism for Tibetan Plateau Warm Vortices
Publisher: American Meteorological Society
Abstract: The low-level cyclonic vortices which form over the Tibetan Plateau in the summer monsoon season are major rain-producing systems and have the potential to trigger cyclogenesis on the lee side when they move off the plateau. ...
The Vertical Structure and Development of the ENSO Anomaly Mode during 1979–1989
Publisher: American Meteorological Society
Abstract: The latest two Pacific basinwide warm episodes (1982?83 and 1986?87) exhibit some common features in their development and vertical structure. These features are examined by multivariate empirical orthogonal function ...
Climatic Regimes of Tropical Convection and Rainfall
Publisher: American Meteorological Society
Abstract: Annual distribution and phase propagation of tropical convection are delineated using harmonic and amplitude-phase characteristics analysis of climatological pentad mean outgoing longwave radiation and monthly frequencies ...
On the Annual Cycle in the Tropical Eastern Central Pacific
Publisher: American Meteorological Society
Abstract: In the tropical eastern central Pacific Ocean, the annual cycle in sea surface temperature (SST), surface winds and pressure, and clouds are alternatively dominated by an antisymmetric (with respect to the equator) monsoonal ...
Interdecadal Changes in El Niño Onset in the Last Four Decades
Publisher: American Meteorological Society
Abstract: The characteristics of the onset of the Pacific basin-wide warming have experienced notable changes since the late 1970s. The changes are caused by a concurrent change in the background state on which El Niño evolves. For ...
How Much Do Tropical Cyclones Affect Seasonal and Interannual Rainfall Variability over the Western North Pacific?
Publisher: American Meteorological Society
Abstract: The authors investigate the effects of tropical cyclones (TCs) on seasonal and interannual rainfall variability over the western North Pacific (WNP) by using rainfall data at 22 stations. The TC-induced rainfall at each ...