Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/59378
DC FieldValueLanguage
dc.contributor.authorAl-Nassar, Ali Raheemen_US
dc.contributor.authorPelegri, Josep L.en_US
dc.contributor.authorSangrá Inciarte, Pabloen_US
dc.contributor.authorAlarcon, Martaen_US
dc.contributor.authorJansa, Agustien_US
dc.date.accessioned2019-12-18T10:10:51Z-
dc.date.available2019-12-18T10:10:51Z-
dc.date.issued2019en_US
dc.identifier.issn0899-8418en_US
dc.identifier.otherWoS-
dc.identifier.urihttp://hdl.handle.net/10553/59378-
dc.description.abstractWe combine daily in situ precipitation data with meteorological reanalysis data in order to explore the contribution of cut-off low systems to the seasonal and inter-annual rainfall variations over Baghdad from 2005 to 2016. During these 12 years (average rainfall of 131 +/- 67 mm/year), 38 rainy cut-off lows brought 43% of the total precipitation, with extreme inter-annual variations. Indeed, precipitation associated with autumn cut-off lows was the principal factor that turned an arid into a wet year: during the three most arid years cut-off lows contributed about 25% of the average rainfall (10 out of 40 mm/year) while during the three wettest years they contributed near 67% (171 out of 254 mm/year). The extreme-rain cut-off low systems displayed analogous synoptic characteristics: upper-atmosphere divergence, upwards vertical motions in the middle atmosphere, and lower-atmosphere winds into central Iraq at times when the surface Red Sea and Persian Gulf waters were warmer than the surface air. During those days previous to an extreme event, the surface waters cooled substantially and the amount of precipitable water increased largely, suggesting high latent heat transfer. In order to characterize those conditions that favour rainfall, we focus on the November 18-20, 2013 cut-off low system, which led to the largest flooding and wettest year in Baghdad between 2005 and 2016. The distribution of properties in the middle (500 hPa) and upper (250 hPa) troposphere shows that the region was affected by intense horizontal divergence and upwards motions, coinciding with a surface low over the Arabian Peninsula that caused intense northwards winds over the Persian Gulf and brought substantial moisture to central Iraq. The analysis of several stability indexes indicates that convective instability played a secondary role during the episode.en_US
dc.languageengen_US
dc.relationFlujos de Carbono en Un Sistema de Afloramiento Costero (Cabo Blanco, Nw de África); Modulación A Submesoscala de la Producción, Exportación y Consumo de Carbonoen_US
dc.relationCTM2014-56987-Pen_US
dc.relation.ispartofInternational Journal of Climatologyen_US
dc.sourceInternational Journal Of Climatology [ISSN 0899-8418], v. 40(2), p. 908-926en_US
dc.subject250207 Climatología regionalen_US
dc.subject.otherClimateen_US
dc.subject.otherVariabilityen_US
dc.subject.otherMoistureen_US
dc.subject.otherFlowen_US
dc.subject.otherCut-off lowen_US
dc.subject.otherExtreme precipitationen_US
dc.subject.otherMiddle Easten_US
dc.subject.otherMoisture sourceen_US
dc.subject.otherRainfall recordsen_US
dc.subject.otherSynoptic conditionsen_US
dc.titleCut-off low systems over Iraq: Contribution to annual precipitation and synoptic analysis of extreme eventsen_US
dc.typeinfo:eu-repo/semantics/Articleen_US
dc.typeArticleen_US
dc.identifier.doi10.1002/joc.6247en_US
dc.identifier.scopus85070793935-
dc.identifier.isi000482028700001-
dc.contributor.authorscopusid57210465350-
dc.contributor.authorscopusid7003869003-
dc.contributor.authorscopusid6602684473-
dc.contributor.authorscopusid7007081997-
dc.contributor.authorscopusid13403025600-
dc.identifier.eissn1097-0088-
dc.investigacionCienciasen_US
dc.type2Artículoen_US
dc.contributor.daisngid31586166-
dc.contributor.daisngid358123-
dc.contributor.daisngid763696-
dc.contributor.daisngid454895-
dc.contributor.daisngid2438054-
dc.utils.revisionen_US
dc.contributor.wosstandardWOS:Al-Nassar, AR-
dc.contributor.wosstandardWOS:Pelegri, JL-
dc.contributor.wosstandardWOS:Sangra, P-
dc.contributor.wosstandardWOS:Alarcon, M-
dc.contributor.wosstandardWOS:Jansa, A-
dc.date.coverdateFebrero 2020en_US
dc.identifier.ulpgcen_US
dc.contributor.buulpgcBU-BASen_US
dc.description.sjr1,685
dc.description.jcr3,928
dc.description.sjrqQ1
dc.description.jcrqQ1
dc.description.scieSCIE
item.grantfulltextnone-
item.fulltextSin texto completo-
crisitem.project.principalinvestigatorRodríguez Santana, Ángel-
crisitem.author.fullNameSangrá Inciarte, Pablo-
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