Upper tropospheric cyclonic vortex and brazilian northeast jet stream over alagoas state: Circulation patterns and rainfall

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Federal de Alagoas-
Autor(es): dc.contributorUniversidad de Buenos Aires-
Autor(es): dc.contributorInstituto Franco-Argentino para el Estudio del Clima y sus Impactos-
Autor(es): dc.creatorRepinaldo, Henrique Fuchs Bueno [UNESP]-
Autor(es): dc.creatorFedorova, Natalia-
Autor(es): dc.creatorLevit, Valdimir-
Autor(es): dc.creatorda Rocha Repinaldo, Cintia Rabelo-
Data de aceite: dc.date.accessioned2022-08-04T22:09:24Z-
Data de disponibilização: dc.date.available2022-08-04T22:09:24Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2020-10-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1590/0102-7786355000003-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/221695-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/221695-
Descrição: dc.descriptionInteraction between Brazilian Northeast Jet Stream (BNEJS) and Upper Tropospheric Cyclonic Vortexes (UTCV) isn’t still well known, as well as its seasonal variability and relation with rainfall pattern. This study’s aim is to determine the air circulation patterns in UTCV events with BNEJS in La Niña and El Niño years and its connections with rainfall in the Alagoas State. These connections were analyzed for 9 years between 1988 and 2000 in El Niño, La Niña and Neutral years. NCEP Reanalysis data, rainfall data from 71 meteorological stations and satellite images were used. Fifty-eight percent of 140 observed UTCVs were associated with BNEJS events located in the Brazilian Northeast and 26%, loca- ted over the Alagoas State. Three types of BNEJS patterns, denominated as Meridional (M), Zonal (Z) and Transversal (T), have been identified. The M-type BNEJS was the most frequent in Alagoas State, especially in El Niño years. Z and T-types occurred less frequently and were rarely seen in La Niña years. The results showed that in the M-type BNEJS events in 48% of days were not registered precipitation, while Z and T events recorded rainfall in almost 96% of the days.-
Descrição: dc.descriptionUniversidade Estadual Paulista Júlio de Mesquita Filho-
Descrição: dc.descriptionLaboratório de Meteorologia Física e Sinótica Instituto de Ciências Atmosféricas Universidade Federal de Alagoas-
Descrição: dc.descriptionFacultad de Ciencias Exactas y Naturales Universidad de Buenos Aires-
Descrição: dc.descriptionCentro de Investigaciones del Mar y la Atmósfera Universidad de Buenos Aires-
Descrição: dc.descriptionInstituto Franco-Argentino para el Estudio del Clima y sus Impactos-
Descrição: dc.descriptionUniversidade Estadual Paulista Júlio de Mesquita Filho-
Formato: dc.format745-754-
Idioma: dc.languageen-
Relação: dc.relationRevista Brasileira de Meteorologia-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectBrazilian northeast jet stream-
Palavras-chave: dc.subjectENSO-
Palavras-chave: dc.subjectUpper tropospheric cyclonic vortexes-
Título: dc.titleUpper tropospheric cyclonic vortex and brazilian northeast jet stream over alagoas state: Circulation patterns and rainfall-
Título: dc.titleVórtice ciclônico em altos níveis e corrente de jato do nordeste brasileiro sobre o estado de alagoas: Padrões de circulação e precipitação-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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