Cholaw Bueh

Northeast China cold vortex in early summer and its monthly statistical prediction model based on preceding external forcings

Qiduo Shao, Cholaw Bueh, Zongting Gao, Ziniu Xiao et autres

ABSTRACT The Northeast China cold vortex (NCCV) is a major weather system affecting Northeast China in early summer (May and June). In this study, a monthly NCCV index (NCCVI) is defined based on its large-scale circulation pattern. This index can reflect the …

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Prediction of the Northeast China Cold Vortex Index Based on Nonlinear State Space Reconstruction

Geli Wang, Kaiyu Fan, Qiduo Shao, Zelun Cheng et autres

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Role of the Northeast China Cold Vortex in Early-Summer Precipitation over Central and Northeast China

Zelun Cheng, Zuowei Xie, Cholaw Bueh, Zongting Gao

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Emission, Transport, and Deposition Mechanisms for a Severe Summer Dust Storm Originating in Southern Mongolia

Lunga Su, Mei Yong, Zuowei Xie, Cholaw Bueh et autres

This study investigated an intense and unusual summer transboundary dust storm event that occurred between 21 and 23 June 2024. By integrating remote sensing observations, reanalysis data, WRF-Chem simulations, and LAGRANTO trajectory tracking, we systematically revealed the dust emission, transport, deposition, and …

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Formation of Northeast China Cold Vortices: A Piecewise Tendency Diagnosis

Tianjiao Zhou, Zuowei Xie, Cholaw Bueh, Zongting Gao et autres

Abstract The northeast China cold vortex (NCCV) is one of the three most frequent regions of cutoff low occurrences in the Northern Hemisphere, inducing severe convective weather and increasing monsoon precipitation in East Asia. Although Rossby wave propagation is widely recognized as …

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Quasi-Biweekly Oscillation of Northeast China Cold Vortex Frequency in the Warm Season

Zhongda Lin, Cholaw Bueh, Shangfeng Li, Zongting Gao et autres

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Influence of cut-off lows on dust transport from the Great Lakes Basin to northern China

L. Su, Zuowei Xie, Mei Yong, Chenglai Wu et autres

In the context of global warming, the Great Lakes Basin in western Mongolia is undergoing escalating desertification, making it as an increasingly important dust source in Mongolia. This study investigated the dust transport from the Great Lakes Basin and its modulating circulation …

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Cross-Border Sand and Dust Storms between Mongolia and Northern China in Spring and Their Driving Weather Systems

Asia Borjigin, Cholaw Bueh, Mei Yong, Gomboluudev Purevjav et autres

Sand and dust storms (SDSs) are particularly concerning natural disasters in East Asia. At present, there is still a lack of comprehensive knowledge of the characteristics of the cross-border SDSs between Mongolia and Northern China and the associated weather systems. This study …

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Analysis of Water Vapor Transport and Trigger Mechanisms for Severe Rainstorms Associated with a Northeast China Cold Vortex in 2022

Pengyu Hu, Zuowei Xie, Tianjiao Zhou, Cholaw Bueh

Rainstorms always occur in the southeast and northeast quadrants of the Northeast China Cold Vortex (NCCV), resulting in significant flooding. This study investigated water vapor and trigger mechanisms for rainstorms within these two regions of an NCCV event during 11–14 June 2022 …

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Mechanical and thermal effects of Asian topography on northern East Asian low

Zhongda Lin, Cholaw Bueh, Bian He

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Evaluation of spatial–temporal features and circulation patterns of Northeast China cold vortex in CMIP6 AMIP simulations

Tianjiao Zhou, Zuowei Xie, Cholaw Bueh, Liqiang Chen et autres

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Barotropic and Nonlinear Decay of the Wintertime Baroclinic Wave Packets over the North Pacific: Energetics Analysis

Anran Zhuge, Benkui Tan, Cholaw Bueh, Zuowei Xie

Abstract Based on daily data from the Japanese 55-year Reanalysis (JRA-55) covering the winters (NDJFM) from 1958 to 2018, this study examines the growth and decay mechanisms of the baroclinic wave packet (BWP) inferred from regression analysis over the North Pacific. Day-to-day …

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