Question

tropical cyclones occur rarely in Brazil

Answer 1

Rare Tropical Cyclone Forms Off Brazil. A rare South Atlantic subtropical cyclone can be seen swirling clockwise off the coast of southern Brazil. ... Tropical cyclones are infrequent in the South Atlantic due to strong upper-air wind sheer, cool ocean temperatures and the lack of disturbances to initiate a spin.

Answer 2

In the northern coastal region near equator,  the differences in temperatures are negligible. In this region ,  the winds move vertically. The convergence zone of the trade winds is also found to be weak in this region. Thus,  tropical cyclones occur rarely in brazil.