The relationship of frequent tropical cyclone activities over the western North Pacific and hot summer days in central-eastern China

Tropical cyclones (TCs) formed over the western North Pacific (WNP) often make landfalls over East Asia and Southeast Asia, causing strong winds and torrential rain in the coastal countries. However, they also bring cool weather on hot summer days and mitigate drought impacts. The present study demo...

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Bibliographic Details
Published inTheoretical and applied climatology Vol. 138; no. 3-4; pp. 1395 - 1404
Main Authors Zhong, Zhong, Chen, Xian, Yang, Xiu-Qun, Ha, Yao, Sun, Yuan
Format Journal Article
LanguageEnglish
Published Vienna Springer Vienna 01.11.2019
Springer
Springer Nature B.V
Subjects
Anticyclonic circulation
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Atmospheric Sciences
Climate science
Climatology
Coastal states
Cyclones
Cyclonic activity
Drought
Earth and Environmental Science
Earth Sciences
Environmental impact
Extreme weather
Hurricanes
Lower troposphere
Original Paper
Pressure effects
Rivers
Strong winds
Summer
Summer weather
Tropical climate
Tropical cyclone activity
Tropical cyclones
Troposphere
Waste Water Technology
Water Management
Water Pollution Control
Weather
Winds
China
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Summary:Tropical cyclones (TCs) formed over the western North Pacific (WNP) often make landfalls over East Asia and Southeast Asia, causing strong winds and torrential rain in the coastal countries. However, they also bring cool weather on hot summer days and mitigate drought impacts. The present study demonstrates that TC activities over the WNP can strongly modulate extreme summer weather events in eastern mainland China, i.e., frequent TC activities would indirectly lead to more hot days in central-eastern China along the lower and middle reaches of Yangtze River, besides compensating the decreasing of hot days induced by the direct impact of TCs. Such indirect impact is largely determined by the feedback effect of TCs on pressure system, especially on the western Pacific subtropical high, resulting in an abnormal anticyclonic circulation band that dominates a large area from central-eastern China to the Pacific Ocean to the east of Japan in the middle and lower troposphere.
ISSN:0177-798X
1434-4483
DOI:10.1007/s00704-019-02908-7