The Spatial Characteristics of Hourly Rainfall Induced by Tropical Cyclones Along the South China Coast

Abstract Accurate prediction of tropical cyclone (TC) induced rainfall is of great importance to disaster prevention but quite challenging to operational forecasters. This study quantifies the spatial characteristics of the hourly rainfall caused by TCs at several individual weather stations over th...

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Autores principales:	Riaz Ali, Qinglan Li, Ji Chen, Dian Huang, Xiaoxiong Lu
Formato:	article
Lenguaje:	EN
Publicado:	American Geophysical Union (AGU) 2021
Materias:	rainfall south China coast spatial characteristics tropical cyclones Astronomy QB1-991 Geology QE1-996.5
Acceso en línea:	https://doaj.org/article/9dfd2420bea74b4c97d2569629c7a3fd
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spelling	oai:doaj.org-article:9dfd2420bea74b4c97d2569629c7a3fd2021-11-23T21:03:09ZThe Spatial Characteristics of Hourly Rainfall Induced by Tropical Cyclones Along the South China Coast2333-508410.1029/2020EA001623https://doaj.org/article/9dfd2420bea74b4c97d2569629c7a3fd2021-11-01T00:00:00Zhttps://doi.org/10.1029/2020EA001623https://doaj.org/toc/2333-5084Abstract Accurate prediction of tropical cyclone (TC) induced rainfall is of great importance to disaster prevention but quite challenging to operational forecasters. This study quantifies the spatial characteristics of the hourly rainfall caused by TCs at several individual weather stations over the south China coast. We use the historical TC datasets from 2004 to 2018 and the hourly rainfall data from six weather stations to investigate the stations' rainfall distribution characteristics induced by TCs within a distance of 700 km to the weather stations. The hourly rainfall data during the study period from six coastal stations: Zhuzilin (ZZL), Shekou Ferry Terminal (SFT), and Wutong Village (WTV) in Shenzhen, and Hong Kong Observatory (HKO), Sha Tin (SHA), and Tai Mo Shan (TMS) in Hong Kong are used to investigate the statistical relationship. Results show that the most hazardous areas for TC‐induced rainfall are TCs within a distance of 200 km relative to the stations. High intensity TCs in the southwest quadrant may bring torrential rainfall to stations within 500 km distance, and low intensity TCs are likely to induce torrential rainfall to stations within 300 km distance when they are in the northeast and northwest quadrants. If TCs are over the region with the azimuth of 60–150° and distance out of 200 km to the six stations, there is almost no rainfall influence on those stations. The findings of this study are valuable to provide information for the local operational forecasters when predicting the potential rainfall along the south China coast due to future TCs.Riaz AliQinglan LiJi ChenDian HuangXiaoxiong LuAmerican Geophysical Union (AGU)articlerainfallsouth China coastspatial characteristicstropical cyclonesAstronomyQB1-991GeologyQE1-996.5ENEarth and Space Science, Vol 8, Iss 11, Pp n/a-n/a (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	rainfall south China coast spatial characteristics tropical cyclones Astronomy QB1-991 Geology QE1-996.5
spellingShingle	rainfall south China coast spatial characteristics tropical cyclones Astronomy QB1-991 Geology QE1-996.5 Riaz Ali Qinglan Li Ji Chen Dian Huang Xiaoxiong Lu The Spatial Characteristics of Hourly Rainfall Induced by Tropical Cyclones Along the South China Coast
description	Abstract Accurate prediction of tropical cyclone (TC) induced rainfall is of great importance to disaster prevention but quite challenging to operational forecasters. This study quantifies the spatial characteristics of the hourly rainfall caused by TCs at several individual weather stations over the south China coast. We use the historical TC datasets from 2004 to 2018 and the hourly rainfall data from six weather stations to investigate the stations' rainfall distribution characteristics induced by TCs within a distance of 700 km to the weather stations. The hourly rainfall data during the study period from six coastal stations: Zhuzilin (ZZL), Shekou Ferry Terminal (SFT), and Wutong Village (WTV) in Shenzhen, and Hong Kong Observatory (HKO), Sha Tin (SHA), and Tai Mo Shan (TMS) in Hong Kong are used to investigate the statistical relationship. Results show that the most hazardous areas for TC‐induced rainfall are TCs within a distance of 200 km relative to the stations. High intensity TCs in the southwest quadrant may bring torrential rainfall to stations within 500 km distance, and low intensity TCs are likely to induce torrential rainfall to stations within 300 km distance when they are in the northeast and northwest quadrants. If TCs are over the region with the azimuth of 60–150° and distance out of 200 km to the six stations, there is almost no rainfall influence on those stations. The findings of this study are valuable to provide information for the local operational forecasters when predicting the potential rainfall along the south China coast due to future TCs.
format	article
author	Riaz Ali Qinglan Li Ji Chen Dian Huang Xiaoxiong Lu
author_facet	Riaz Ali Qinglan Li Ji Chen Dian Huang Xiaoxiong Lu
author_sort	Riaz Ali
title	The Spatial Characteristics of Hourly Rainfall Induced by Tropical Cyclones Along the South China Coast
title_short	The Spatial Characteristics of Hourly Rainfall Induced by Tropical Cyclones Along the South China Coast
title_full	The Spatial Characteristics of Hourly Rainfall Induced by Tropical Cyclones Along the South China Coast
title_fullStr	The Spatial Characteristics of Hourly Rainfall Induced by Tropical Cyclones Along the South China Coast
title_full_unstemmed	The Spatial Characteristics of Hourly Rainfall Induced by Tropical Cyclones Along the South China Coast
title_sort	spatial characteristics of hourly rainfall induced by tropical cyclones along the south china coast
publisher	American Geophysical Union (AGU)
publishDate	2021
url	https://doaj.org/article/9dfd2420bea74b4c97d2569629c7a3fd
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The Spatial Characteristics of Hourly Rainfall Induced by Tropical Cyclones Along the South China Coast

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