Insights from Super Typhoon Mangkhut (1822) for wind engineering practices

He, Yuncheng; He, Junyi; Chen, W.C.; Chan, P. W.; Fu, Jiyang; Li, Qiusheng

doi:10.1016/j.jweia.2020.104238

Cited by 31 publications

(18 citation statements)

References 35 publications

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“…However, the maximum θ e and Δ θ e observed were noticeably smaller than those for other TC events ( e.g . He et al ., 2019b, 2020), which can be well explained by the weak intensity of Aere. Meanwhile, the results of θ e collectively demonstrate a trend that θ e first increased and then decreased along with altitudes.…”

Section: Resultsmentioning

confidence: 89%

“…From Figure 2, all these dropsondes were released at a cloudless position just beyond the main body of the TC's cloud. Results from observational studies have shown that atmospheres in such peripheral areas are dominated by downward (therefore, hot and dry) flows that outflow from the TC's inner region (He et al ., 2020).…”

Section: Resultsmentioning

confidence: 99%

“…Results from observational studies have shown that atmospheres in such peripheral areas are dominated by downward (therefore, hot and dry) flows that outflow from the TC's inner region (He et al, 2020). Figure 8 exhibits the results of equivalent potential temperature θ e , which denotes the potential temperature that a parcel would reach if all involved water vapour were condensed and rained out by raising the parcel upwards and then lowering it to the mean sea level adiabatically.…”

Section: Thermodynamic Characteristicsmentioning

confidence: 99%

“…IN this regard, remote-sensing devices (e.g. Doppler radar/lidar/ sodar wind profilers) and radiosonde balloons have been increasingly adopted (He et al, 2018(He et al, , 2020.…”

Section: Introductionmentioning

confidence: 99%

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Field measurements of Tropical Storm Aere (1619) via airborne GPS‐dropsondes over the South China Sea

Shu

et al. 2020

Meteorological Applications

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In the past two decades, Global Positioning System (GPS)-dropsonde has been developed as an effective tool to explore the internal structures of tropical cyclones (TCs). To facilitate the short-term forecasting of the TCs' intensity and track over the Hong Kong Flight Information Region (HKFIR), Hong Kong Observatory (HKO) launched in 2016 reconnaissance campaigns by using airborne GPS-dropsondes. On October 7, 2016, when Tropical Storm Aere (1619) got close to Hong Kong, 10 dropsondes were released from a reconnaissance aircraft at 10 km altitude to sample the TC at different stormrelative positions. This offers a valuable opportunity to examine the functional performance of the dropsonde system. In the study, the validity of dropsonde measurements is first examined, mainly by comparing the results with those collected contemporaneously by radiosonde balloons from a nearby station. Observational results of the structural characteristics are then discussed. Evidence was observed for the invasion of the storm's inner structure by background atmosphere, which was unfavourable for the intensification of Aere in the following time. Meanwhile, a height-resolving model of the TC's pressure field is proposed. It is also observed that the parachutes of two dropsondes failed to deploy during the descending period. The results presented here are expected to provide useful information for a better understanding of the in-situ measurements from dropsondes deployed over the HKFIR, and for advancing the knowledge on TC's inner structure.

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Section: Resultsmentioning

confidence: 89%

Section: Resultsmentioning

confidence: 99%

Section: Thermodynamic Characteristicsmentioning

confidence: 99%

“…IN this regard, remote-sensing devices (e.g. Doppler radar/lidar/ sodar wind profilers) and radiosonde balloons have been increasingly adopted (He et al, 2018(He et al, , 2020.…”

Section: Introductionmentioning

confidence: 99%

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Field measurements of Tropical Storm Aere (1619) via airborne GPS‐dropsondes over the South China Sea

Shu

et al. 2020

Meteorological Applications

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“…T he inflow layer depth around 2 km is comparable with the height of the maximum tangential wind speed. The observed strong inflow may be attributed to concentric eyewalls of the storm (He et al, 2020).…”

Section: Radial and Tangential Components Of The Wind Profilesmentioning

confidence: 91%

Wind profile analysis for selected tropical cyclones over the South China Sea based on dropsonde measurements

Chan

Hon

et al. 2022

Atm.

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Highlights l Inflow/outflow is determined using dropsonde data and used to explain the strengthening/weakening trend of the typhoons l Vertical wind profiles of the typhoons as revealed by the dropsonde are compared with those in the wind engineering codes for southern China l It is proposed that the wind engineering codes for southern China be modified to take into account more dropsonde measurements over the South China Sea

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Large eddy simulation of flow over a three-dimensional hill with different slope angles

Zheng

Chen

et al. 2023

Front. Earth Sci.

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Insights from Super Typhoon Mangkhut (1822) for wind engineering practices

Cited by 31 publications

References 35 publications

Field measurements of Tropical Storm Aere (1619) via airborne GPS‐dropsondes over the South China Sea

Field measurements of Tropical Storm Aere (1619) via airborne GPS‐dropsondes over the South China Sea

Wind profile analysis for selected tropical cyclones over the South China Sea based on dropsonde measurements

Large eddy simulation of flow over a three-dimensional hill with different slope angles

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