Tropical cyclone formation is rare within the Mediterranean sea , South Atlantic and to the east of 120W in the Southern Pacific , as a result there are no official naming lists for these areas although in 2004 & 2010 when tropical cyclones formed within the South Atlantic they were named as Catarina and Anita . Tropical cyclone formation is rare within the Mediterranean sea , South Atlantic and to the east of 120W in the Southern Pacific , as a result there are no official naming lists for these areas although in 2004 , 2010 & 2011 when tropical cyclones formed within the South Atlantic they were named as Catarina , Anita and Arani .