Variation of the tropical cyclone season start in the Western North Pacific

Donghee Kim; Hyeong Seog Kim; Doo Sun R. Park; Myung Sook Park

doi:10.1175/JCLI-D-16-0888.1

Variation of the tropical cyclone season start in the Western North Pacific

Donghee Kim, Hyeong Seog Kim, Doo Sun R. Park, Myung Sook Park

Department of Earth Science Education

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

The variation of the tropical cyclone (TC) season in the western North Pacific (WNP) was analyzed based on the percentiles of annual TC formation dates. The results show that the length of the TC season is highly modulated by the TC season's start rather than its end. The start of the TC season in the WNP has large interannual variation that is closely associated with the variation of the sea surface temperature (SST) in the Indian Ocean (IO) and the central-eastern Pacific (CEP). When the SSTs of the IO and CEP are warm (cold) in the preceding winter, anomalous high (low) pressure and anticyclonic (cyclonic) circulation are induced around the WNP TC basin the following spring, resulting in a late (early) start of the TC season. These results suggest that a strong El Niño in the preceding winter significantly delays the TC season start in the following year.

Original language	English
Pages (from-to)	3297-3302
Number of pages	6
Journal	Journal of Climate
Volume	30
Issue number	9
DOIs	https://doi.org/10.1175/JCLI-D-16-0888.1
State	Published - 1 May 2017

Keywords

Climate variability
Tropical cyclones

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1175/JCLI-D-16-0888.1

Cite this

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title = "Variation of the tropical cyclone season start in the Western North Pacific",

abstract = "The variation of the tropical cyclone (TC) season in the western North Pacific (WNP) was analyzed based on the percentiles of annual TC formation dates. The results show that the length of the TC season is highly modulated by the TC season's start rather than its end. The start of the TC season in the WNP has large interannual variation that is closely associated with the variation of the sea surface temperature (SST) in the Indian Ocean (IO) and the central-eastern Pacific (CEP). When the SSTs of the IO and CEP are warm (cold) in the preceding winter, anomalous high (low) pressure and anticyclonic (cyclonic) circulation are induced around the WNP TC basin the following spring, resulting in a late (early) start of the TC season. These results suggest that a strong El Ni{\~n}o in the preceding winter significantly delays the TC season start in the following year.",

keywords = "Climate variability, Tropical cyclones",

author = "Donghee Kim and Kim, {Hyeong Seog} and Park, {Doo Sun R.} and Park, {Myung Sook}",

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AU - Kim, Donghee

AU - Kim, Hyeong Seog

AU - Park, Doo Sun R.

AU - Park, Myung Sook

PY - 2017/5/1

Y1 - 2017/5/1

N2 - The variation of the tropical cyclone (TC) season in the western North Pacific (WNP) was analyzed based on the percentiles of annual TC formation dates. The results show that the length of the TC season is highly modulated by the TC season's start rather than its end. The start of the TC season in the WNP has large interannual variation that is closely associated with the variation of the sea surface temperature (SST) in the Indian Ocean (IO) and the central-eastern Pacific (CEP). When the SSTs of the IO and CEP are warm (cold) in the preceding winter, anomalous high (low) pressure and anticyclonic (cyclonic) circulation are induced around the WNP TC basin the following spring, resulting in a late (early) start of the TC season. These results suggest that a strong El Niño in the preceding winter significantly delays the TC season start in the following year.

AB - The variation of the tropical cyclone (TC) season in the western North Pacific (WNP) was analyzed based on the percentiles of annual TC formation dates. The results show that the length of the TC season is highly modulated by the TC season's start rather than its end. The start of the TC season in the WNP has large interannual variation that is closely associated with the variation of the sea surface temperature (SST) in the Indian Ocean (IO) and the central-eastern Pacific (CEP). When the SSTs of the IO and CEP are warm (cold) in the preceding winter, anomalous high (low) pressure and anticyclonic (cyclonic) circulation are induced around the WNP TC basin the following spring, resulting in a late (early) start of the TC season. These results suggest that a strong El Niño in the preceding winter significantly delays the TC season start in the following year.

KW - Climate variability

KW - Tropical cyclones

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JO - Journal of Climate

JF - Journal of Climate

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Variation of the tropical cyclone season start in the Western North Pacific

Abstract

Keywords

UN SDGs

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