Journal ArticleGeophysical Research Letters · September 16, 2021
The weakening of the Madden-Julian Oscillation (MJO) as it propagates over the Maritime Continent (MC) is often referred to as the MC barrier. Here, we use 3-hourly precipitable water vapor (PWV) data obtained from the Sumatran GPS Array and the ERA5 reana ...
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Journal ArticleGeophysical Research Letters · July 16, 2021
In discussions of extreme weather trends, the subject of atmospheric blocking remains an open question, in part because of the inability of climate models to accurately reproduce blocking frequency patterns for the current climate. A number of factors have ...
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Journal ArticleJournal of Geophysical Research: Atmospheres · January 1, 2021
During the summer of 2016, a boreal summer intraseasonal oscillation (BSISO) event was observed over Southeast Asia and the South China and Philippine seas. Precipitation anomalies associated with this event propagated northward at a speed of 0.5–1° per da ...
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Journal ArticleNature communications · July 2020
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The movement of tropical cyclones (TCs), particularly around the time of landfall, can substantially affect the resulting damage. Recently, trends in TC translation speed and the likelihood of stalled TCs such as Harvey have received significant attention, ...
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Journal ArticleGeophysical Research Letters · April 28, 2019
Using a high-resolution global model with explicit representation of convection, the physical processes involved in the abrupt onset of South Asian summer monsoon are investigated within a moist entropy budget framework. The monsoon onset is a two-stage tr ...
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Journal ArticleGeophysical Research Letters · September 28, 2018
The spatial structure and propagation of tropical intraseasonal convection anomalies diagnosed with the outgoing longwave radiation-based Madden-Julian Oscillation index are examined in the boreal summer and winter seasons. It is shown that the outgoing lo ...
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Journal ArticleJournal of the Atmospheric Sciences · January 1, 2017
A linear response function (LRF) that relates the temporal tendency of zonal-mean temperature and zonal wind to their anomalies and external forcing is used to accurately quantify the strength of the eddy-jet feedback associated with the annular mode in an ...
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Journal ArticleJournal of Geophysical Research · January 1, 2017
A complete understanding of the interaction between convection and the large-scale circulation in the tropics remains an outstanding problem. Although there is evidence that the vertical structure of convective heating has great influence in the large-scal ...
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Journal ArticleGeophysical Research Letters · March 28, 2016
Mechanism-denial experiments using Superparameterized Community Atmosphere Model are conducted to investigate the importance of extratropical and circumnavigating waves, wind-evaporation feedback, and radiative-convective feedback to the Madden-Julian Osci ...
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Journal ArticleJournal of Geophysical Research · December 27, 2015
The climatology and trends of tropical cyclone (TC) high wind (TCHW; wind speeds ≥10.8ms-1) in mainland China during 1959–2011 were studied based on a comprehensive series of surface wind observations from 574 stations. Of these stations, 41 were affected ...
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Journal ArticleJournal of Climate · January 1, 2014
A high-resolution (40km horizontal) global model is used to examine controls on the South Asian summer monsoon by orography and surface heat fluxes. In a series of integrations with altered topography and reduced surface heat fluxes, monsoon strength, as i ...
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Journal ArticleGeophysical Research Letters · November 1, 2011
The vertical distribution of radiative heating affects the moist static energy budget and potentially the maintenance and propagation of the Madden-Julian Oscillation (MJO). This paper uses CloudSat data to examine the radiative heating climatology in the ...
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