@Article{SouzaKayaAmbr:2004:EaAmBr,
               author = "Souza, Everaldo B. and Kayano, Mary Toshie and Ambrizzi, Tercio",
          affiliation = "{CPTEC-INPE-Cachoeira Paulista -12630-000-SP-Brasil}",
                title = "The eastern Amazon/Northeast Brazil regional precipitation in a 
                         weekly timescale modulated by Tropical Pacific and Atlantic SST 
                         anomalies during austral autumn",
              journal = "Revista Brasileira de Meteorologia",
                 year = "2004",
               volume = "19",
               number = "3",
                pages = "325--336",
                month = "dec.",
             keywords = "Amazonian, northeast Brazil, precipitation anomalies, scale 
                         weekly.",
             abstract = "This paper focuses the precipitation var{\'{\i}}ability over the 
                         eastern Amazon (EAM) and Northeast Brazil (NEB) in a weekly 
                         timescale. Weekly climatologies and interannual features of the 
                         sea surface temperature (SST), outgoing longwave radiation (aLA), 
                         horizontal winds and vertical velocity at pressure-levels in the 
                         tropical South America and Atlantic and precipitation in the 
                         EAM/NEB are analyzed for the 1982-2001 austral autumns. Two 
                         prominent large-scale climatic scenarios which can have an impact 
                         in the Intertropical Convergence zone (ITCZ) the main modulator 
                         mechanism of the rainfall at EAM/NEB regions, are identified: EI 
                         Nino and northward SST gradients in the Atlantic (1983, 1987, 1992 
                         and 1998) and La Nina and southward SST gradients in the Atlantic 
                         (1984, 1985, 1989 and 1999). Composite analyses are used to 
                         investigate the weekly evolution and development of the 
                         statistically significant anomaly patterns dominant during these 
                         two aforementioned large-scale scenarios. Based on these 
                         composites, this paper provides detailed analyses of lhe anomalous 
                         autumn precipitation in the EAM/NEB, as well as the related 
                         dynamics reflected in the anomalous patterns for the SST, aLA and 
                         vertical structure of the atmospheric circulation over the South 
                         America and Atlantic.",
           copyholder = "SID/SCD",
                 issn = "0102-7786",
                label = "self-archiving-INPE-MCTIC-GOV-BR",
             language = "en",
           targetfile = "11644.pdf",
        urlaccessdate = "01 maio 2024"
}