@InProceedings{GanPivaRao:2009:HuCyOv,
               author = "Gan, Manoel Alonso and Piva, Everson Dal and Rao, Vadlamudi 
                         Brahamananda",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and 
                         {Universidade de Santa Maria - RS} and {Instituto Nacional de 
                         Pesquisas Espaciais (INPE)}",
                title = "Catarina Cyclone: A Hurricane-Like cyclone over South Atlantic",
                 year = "2009",
         organization = "Simp{\'o}sio Internacional de Climatologia, 3.",
             keywords = "cyclone, hurricanes, South Atlantic.",
             abstract = "The Catarina cyclone was the first one that had characteristics of 
                         a hurricane category during its mature phase. It developed in the 
                         subtropical latitudes of the South Atlantic in the end of March 
                         2004 close to the core of an occluded extratropical cyclone. The 
                         numerical weather forecast model of the Brazilian Meteorological 
                         Service and the Weather Forecast and Climate Study Center of 
                         Brazil did not have a good skill in the pressure and low-level 
                         winds during the evolution of this event. Then the aim of this 
                         study is to identity the main atmospheric characteristics and the 
                         dynamic processes associated with the evolution of this system. An 
                         observational analysis of atmospheric conditions and numerical 
                         simulations to identify the dynamic mechanisms of the intense 
                         intensification of the Catarina will be presented. The NCEP 
                         analysis for 1o lat x 1o 26 log and the BRAMS model are utilized 
                         in this study. The preliminary results show that the Catarina 
                         cyclone developed in the head of inverted coma cloud and 
                         propagated to west during its intensification phase. The 
                         interaction of the cyclonic circulation with the warm waters 
                         associated with the Brazilian oceanic current was important to the 
                         intensification and the atypical displacement to west of this 
                         cyclone. The importance of the surface heat fluxes in the 
                         evolution of the Catarina cyclone is also discussed.",
  conference-location = "Canela, RS",
      conference-year = "18-21 out.",
             language = "pt",
           targetfile = "Catarina_IIISIC.pdf",
        urlaccessdate = "25 abr. 2024"
}