Moisture Sources for Wintertime Extreme Precipitation Events Over South China During 1979–2013

Huang, Wenyu; He, Xinsheng; Yang, Zhi; Qiu, Teng; Wright, Jonathon S.; Wang, Bin; Lin, Daiyu

doi:10.1029/2018jd028485

Cited by 37 publications

(33 citation statements)

References 63 publications

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“…X. Li et al () reported that moisture sources from the western North Pacific and North China supplied most of the precipitation over southeast China during the period from October 2012 to March 2013. Huang, He, et al () calculated the moisture sources for 103 wintertime extreme precipitation events over southern China during 1979–2013. The key moisture regions for these events included the South China Sea, the western North Pacific, southeastern Asia, southern China, and the East China Sea.…”

Section: Introductionmentioning

confidence: 99%

“…On the one hand, the ENSO‐related Philippine Sea anomalous anticyclone prompts the moisture transport from the western North Pacific and the South China Sea to southern China on the interannual time scale. Besides, the Lagrangian moisture attribution analysis reveals that apart from the moisture sources from the surrounding oceans, moisture recycling over southern China and evaporative moisture source from southeastern Asia play crucial roles in wintertime extreme precipitation events over southern China (Huang, He, et al, ). Then two questions arise.…”

Section: Introductionmentioning

confidence: 99%

“…In particular, we explore the relationship between the ENSO variability and the evaporative moisture sources. Note that the evaporative moisture sources not only account for the majority of the moisture sources for precipitation but also can be directly linked to the underlying surface of a specific region (Dirmeyer & Brubaker, ; Huang, He, et al, ; James et al, ; Sodemann et al, ). Second, recognize any regime shift in the moisture sources during the satellite era and explore its linkage to the nonuniform warming.…”

Section: Introductionmentioning

confidence: 99%

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Interannual Variation and Regime Shift of the Evaporative Moisture Sources for Wintertime Precipitation Over Southern China

et al. 2018

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The evaporative moisture source for wintertime precipitation over southern China during 1979-2017 is determined using a Lagrangian methodology. The five most important moisture source regions, in descending order, are the South China Sea, southern China (local moisture recycling), southeastern Asia, the East China Sea, and the western North Pacific. The dominant mode of variability of moisture contribution appears at the interannual time scale, which is closely related to the El Niño Southern Oscillation variability. The conventional El Niño signal favors moisture transport from the surrounding moisture source regions through an enhancement of an anticyclonic anomaly over the western North Pacific, while El Niño Modoki drives moisture recycling over southern China by cutting off access to moisture sources from surrounding regions. A regime shift of the evaporative moisture source is identified to occur around 1991/1992, after which there was a significant eastward migration of the moisture source. This migration is closely related to the presence of a cyclonic anomaly over the South China Sea. Both the observational and experimental results reveal that the appearance of this cyclonic anomaly is due to the warming over the Maritime Continent during the last two decades.Further, the interannual variability of wintertime precipitation over southern China has been linked to both the East Asian winter monsoon and the El Niño Southern Oscillation (ENSO) signals. L.-T. Zhou (2011) found

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Interannual Variation and Regime Shift of the Evaporative Moisture Sources for Wintertime Precipitation Over Southern China

et al. 2018

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“…With increased interest in attribution of heavy precipitation events under a changing climate, the spatiotemporal variability of precipitation extremes, for example, over western America (Bracken et al, 2015), eastern U.S. (Steinschneider & Lall, 2016), central North Carolina (Fuhrmann & Konrad, 2013), the entire Canadian landmass (Tan, Gan, & Chen, 2018), Southern Sweden (Gustafsson, Rayner, & Chen, 2010), South China (Chu et al, 2017;Huang, He, et al, 2018), and Sichuan in China (Bin & Xu, 2016), have been linked to changes in atmospheric moisture transport patterns. Those studies extracted plenty of moisture trajectories contributing to extreme precipitation events and classified them to several patterns of moisture transport pathways.…”

Section: Spatiotemporal Variabilities Of Precipitation Extremes Indmentioning

confidence: 99%

Global atmospheric moisture transport associated with precipitation extremes: Mechanisms and climate change impacts

et al. 2020

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The atmospheric moisture transport processes are of great importance to the occurrence and intensity of precipitation extremes. In this paper, we review the linkage between processes, including the large‐scale atmospheric circulation, atmospheric moisture transport, and extreme precipitation events. We first summarize the thermodynamic and dynamic processes and moisture transport trackings for historical precipitation extremes. We then focus on the contribution of three major atmospheric moisture transport pathways, that is, atmospheric rivers, low‐level jets, and tropical cyclones, to the occurrence and intensity of regional precipitation extremes. Studies on large‐scale atmospheric circulation driving water vapor transport for precipitation extremes over East Asia and North America were specifically reviewed for the understanding of physical mechanisms and predictability of moisture transport and extreme precipitation events. We then pay more attention to the effects of global warming on atmospheric moisture transport, and thus regional precipitation extremes from the perspectives of thermodynamic and dynamic changes of the atmosphere. In the end, we summarize future research challenges on the physical mechanisms of atmospheric moisture transport that are associated with regional precipitation extremes, especially under a warming climate. This article is categorized under: Science of Water > Water Extremes Science of Water > Hydrological Processes

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“…Cataloguing moisture sources is a key but challenging step in identifying the underlying causes of extreme snowstorms (Huang et al, ; Trenberth et al, ). Snowstorms over the central and eastern portions of the TP have been studied extensively (Li et al, ; Ménégoz et al, ; Wang et al, ; Yeh et al, ).…”

Section: Introductionmentioning

confidence: 99%

Connections Between a Late Summer Snowstorm Over the Southwestern Tibetan Plateau and a Concurrent Indian Monsoon Low‐Pressure System

et al. 2018

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Snowstorms cause more damage to the livelihoods and livestock of more than 2 million herders (~80% of the total population) on the Tibetan Plateau than any other natural disaster. In this study, we investigate an extreme snowstorm over the southwestern Tibetan Plateau (SWTP) that occurred on 18–21 September 2008. We explore sources and transport pathways of moisture to this storm using multiple data sets and a series of regional model simulations. The results show that this snowstorm results from dynamical coupling between an upper‐level trough and a concurrent low‐pressure system over northern India. This tropical‐extratropical interaction provides the dynamical mechanism for the snowstorm to occur: the upper level trough favors southward cold advection upstream of the SWTP while the low‐pressure system over northern India provides an abundant supply of moisture. Model‐based sensitivity tests indicate that large amounts of moisture are transported over the SWTP via both the up‐and‐over and upslope transport pathways. Our findings corroborate that low‐pressure systems over northern India can deliver abundant moisture into the SWTP. The coupling of this abundant supply of moisture with an upper‐level trough further leads to the occurrence of an early snow disaster in this case, aggravating already harsh conditions and causing severe damage. Improved understanding of the interactions between these two types of synoptic systems and the climatic conditions that influence their occurrence would aid the development of effective strategies for climate change adaptation and sustainable husbandry, as well as the mitigation and relief of future snow disasters in this region.

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Moisture Sources for Wintertime Extreme Precipitation Events Over South China During 1979–2013

Cited by 37 publications

References 63 publications

Interannual Variation and Regime Shift of the Evaporative Moisture Sources for Wintertime Precipitation Over Southern China

Interannual Variation and Regime Shift of the Evaporative Moisture Sources for Wintertime Precipitation Over Southern China

Global atmospheric moisture transport associated with precipitation extremes: Mechanisms and climate change impacts

Connections Between a Late Summer Snowstorm Over the Southwestern Tibetan Plateau and a Concurrent Indian Monsoon Low‐Pressure System

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