More tropical cyclones are striking coasts with major intensities at landfall

Wang, S; Toumi, Ralf

doi:10.1038/s41598-022-09287-6

Cited by 23 publications

(14 citation statements)

References 33 publications

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“…In addition, the spatial heterogeneity in the population growth and economic development cause differences in local exposure to TCP hazards. Potential damage may increase exponentially due to changes in the magnitude and frequency of extreme TC events 53,54 . Compound events such as storm surge and pluvial floods can intensify those damages 55 .…”

Section: Discussionmentioning

confidence: 99%

Exposure to precipitation from tropical cyclones has increased over the continental United States from 1948 to 2019

Zhu

Quiring

2022

Commun Earth Environ

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Extreme precipitation from tropical cyclones can generate large-scale inland flooding and cause substantial damage. Here, we quantify spatiotemporal changes in population risk and exposure to tropical cyclone precipitation in the continental eastern United States over the period 1948–2019 using high-resolution in-situ precipitation observations. We find significant increases in the magnitude and likelihood of these extreme events due to increased rainfall rates and reduced translation speeds of tropical cyclones over land. We then develop a social exposure index to quantify exposure and risk of tropical cyclone precipitation as a function of both physical risk and socio-economic activities. Increased social exposure is primarily due to the increased risk of tropical cyclone precipitation, but there are regional differences. We identify exposure hotspots in the south-eastern United States, where rapid population growth and economic development amplify societal exposure to tropical cyclone hazards. Our multi-scale evaluation framework can help identify locations that should be targeted for mitigation and adaptation activities to increase their climate resilience.

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Section: Discussionmentioning

confidence: 99%

Exposure to precipitation from tropical cyclones has increased over the continental United States from 1948 to 2019

Zhu

Quiring

2022

Commun Earth Environ

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“…Previous studies have suggested that the maximum intensity of TCs has migrated polewards [32][33][34][35][36][37][38][39][40]. However, it is not clear whether LTCER has undergone similar changes.…”

Section: Characteristics Of Ltcer Amount's Variationmentioning

confidence: 95%

“…The magnitude of increasing trends in the inland areas is relatively larger than that in the coastal areas (figure 4). Recent studies showed that TCs had a poleward and inland migration, meanwhile TCs exhibited a westward shift to land in China [34,40], which likely result in the increase of LTCER in the northern and inland regions, as shown in figure 4. Although LTCER in most inland places increased obviously, LTCER in a few inland areas decreased instead.…”

Section: Characteristics Of Ltcer Amount's Variationmentioning

confidence: 99%

“…Recently, several studies have suggested that the locations of TCs have shifted and that their translation speed [32][33][34] and lifetime-maximum intensity have also changed worldwide [35][36][37][38][39][40]. As a direct cause of TCR change, the location and translation speed of TCs are the most important factors affecting local precipitation [41].…”

Section: Introductionmentioning

confidence: 99%

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Changes in extreme rainfall over mainland China induced by landfalling tropical cyclones

Ren²,

Zhang³

et al. 2022

Environ. Res. Commun.

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Landfalling tropical cyclones (LTCs) is one of the most serious meteorological disasters in China due to the provided severe wind and heavy rainfall. Tropical cyclone–induced rainfall in China has been proved to decrease in recent decades. However, how landfalling tropical cyclone–induced extreme rainfall (LTCER) has changed across China, as well as the relationship between LTCER and LTCs remains poorly understood. Accordingly, the spatiotemporal distribution characteristics and long-term changes of LTCER over mainland China during the past 60 years were investigated, by using an Objective Synoptic Analysis Technique to identify LTCER. Mid and high latitudes are exposed to a greater risk of extreme rainfall from northward-moving landfalling tropical cyclones (LTCs). Meanwhile, LTCER tends to increase from 1960 to 2019 across mainland China (characterized by a decrease from 1960 to 1989 and an increase from 1990 to 2019). The LTCER trend exhibits a large spatial difference, with an increase near and to the north of 30°N, but no significant change to the south of 30°N. Moreover, the central latitude of the LTCER zone to the north of 30°N has shifted significantly southwards, while that to the south of 30°N has shifted north. Further analysis revealed that the average latitude of the LTC intensity centers to the north/south of 30°N exhibits the same shift to that of LTCER, indicating that the shift of LTCER has mainly been imposed by the migration of LTCs.

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“…Tropical cyclones (TCs) are among the most destructive natural disasters that frequently strike densely populated coastal regions (Weinkle et al., 2018). Their intensity, represented by near‐surface maximum wind, is detailed in the literature, including its evolution, prediction, impact and long‐term trends (e.g., Knutson et al., 2019; Walsh et al., 2016; Wang & Toumi, 2022a). Apart from their intensity, the horizontal extent of their outer circulation, commonly termed TC outer size, is another crucial factor that determines their overall destructiveness (e.g., Emanuel, 2005; Irish et al., 2008; Powell & Reinhold, 2007; Wang & Toumi, 2016; Zhai & Jiang, 2014).…”

Section: Introductionmentioning

confidence: 99%

Rapid Growth of Outer Size of Tropical Cyclones: A New Perspective on Their Destructive Potential

Tang

Wang

2022

Geophysical Research Letters

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The destructive potential of a tropical cyclone (TC) is primarily determined by its intensity and outer size. Although TC intensification has been researched extensively, the growth rate of its outer size remains obscure. This prompts us to develop the concept of rapid growth of outer size (RG) of TCs. RG is defined as an increase of at least 75 km in the gale‐force wind radius within 24 hr using an objective anomaly detection algorithm. RG is intrinsically linked to the life cycle of the outer size and comprises most of the peak for large TCs (>300 km) in the distribution of lifetime maximum size. Compared with rapid intensification, RG is a more dangerous change in the TC structure, leveling up the destructive potential more rapidly. This is the first attempt to reveal the importance of RG to the outer size climatology, life cycle, and destructive potential of TCs.

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More tropical cyclones are striking coasts with major intensities at landfall

Cited by 23 publications

References 33 publications

Exposure to precipitation from tropical cyclones has increased over the continental United States from 1948 to 2019

Exposure to precipitation from tropical cyclones has increased over the continental United States from 1948 to 2019

Changes in extreme rainfall over mainland China induced by landfalling tropical cyclones

Rapid Growth of Outer Size of Tropical Cyclones: A New Perspective on Their Destructive Potential

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