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Seasonality and El Nino Diversity in the Relationship between ENSO and Western North Pacific Tropical Cyclone Activity

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dc.contributor.authorChoi, Yumi-
dc.contributor.authorKyung-Ja Ha-
dc.contributor.authorJin, Fei-Fei-
dc.date.accessioned2021-11-03T08:30:21Z-
dc.date.available2021-11-03T08:30:21Z-
dc.date.created2021-11-01-
dc.date.issued2019-12-
dc.identifier.issn0894-8755-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/10573-
dc.description.abstractBoth the impacts of two types of El Nino on the western North Pacific (WNP) tropical cyclone (TC) activity and the seasonality in the relationship between genesis potential index (GPI) and El Nino-Southern Oscillation (ENSO) are investigated. The ENSO-induced GPI change over the northwestern (southeastern) part of the WNP is mostly attributed to the relative humidity (absolute vorticity) term, revealing a distinct meridional and zonal asymmetry in summer and fall, respectively. The seasonal change in ENSO (background states) from summer to fall is responsible for the seasonal change in GPI anomalies south of 20 degrees N (over the northeastern part of the WNP). The downdraft induced by the strong upper-level convergence in the eastern Pacific (EP)-type El Nino and both the northwestward-shifted relative vorticity and northward-extended convection over the southeastern part of the WNP in the central Pacific (CP)-type El Nino lead to distinct TC impacts over East Asia (EA). The southward movement of genesis location of TCs and increased westward-moving TCs account for the enhanced strong typhoon activity for the EP-type El Nino in summer. In fall the downdraft and anomalous anticyclonic steering flows over the western part of the WNP remarkably decrease TC impacts over EA. The enhanced moist static energy and midlevel upward motion over the eastern part of the WNP under the northern off-equatorial sea surface temperature warming as well as longer passage of TCs toward EA are responsible for the enhanced typhoon activity for the CP-type El Nino. It is thus important to consider the seasonality and El Nino pattern diversity to explore the El Nino-induced TC impacts over EA.-
dc.language영어-
dc.publisherAMER METEOROLOGICAL SOC-
dc.titleSeasonality and El Nino Diversity in the Relationship between ENSO and Western North Pacific Tropical Cyclone Activity-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000494720800001-
dc.identifier.scopusid2-s2.0-85076260009-
dc.identifier.rimsid76571-
dc.contributor.affiliatedAuthorKyung-Ja Ha-
dc.identifier.doi10.1175/JCLI-D-18-0736.1-
dc.identifier.bibliographicCitationJOURNAL OF CLIMATE, v.32, no.23, pp.8021 - 8045-
dc.relation.isPartOfJOURNAL OF CLIMATE-
dc.citation.titleJOURNAL OF CLIMATE-
dc.citation.volume32-
dc.citation.number23-
dc.citation.startPage8021-
dc.citation.endPage8045-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalWebOfScienceCategoryMeteorology & Atmospheric Sciences-
dc.subject.keywordPlusINTERANNUAL VARIATION-
dc.subject.keywordPlusTYPHOON ACTIVITY-
dc.subject.keywordPlusDOMINANT ROLE-
dc.subject.keywordPlusPART II-
dc.subject.keywordPlusCYCLOGENESIS-
dc.subject.keywordPlusMONSOON-
dc.subject.keywordPlusGENESIS-
dc.subject.keywordPlusOSCILLATION-
dc.subject.keywordPlusPATTERNS-
dc.subject.keywordAuthorTropical cyclones-
dc.subject.keywordAuthorEl Nino-
dc.subject.keywordAuthorENSO-
dc.subject.keywordAuthorInterannual variability-
dc.subject.keywordAuthorSeasonal variability-
Appears in Collections:
Center for Climate Physics(기후물리 연구단) > 1. Journal Papers (저널논문)
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