Professionals come in: Why are there no typhoons and hurricanes in the South Atlantic?

There are hurricanes in the South Atlantic, but the frequency is very low, even less than 0. 1%. Therefore, in the global tropical cyclone occurrence map, the South Atlantic is also included in the 0% distribution line, but there is no specific value.

Although the hydrological conditions in the South Atlantic are also suitable for the development of typhoons in summer and autumn, due to the strong subtropical high in the South Atlantic, which has been entrenched between the Tropic of Capricorn and 30 degrees south latitude for a long time, and the cross-equatorial airflow in the northern hemisphere of the southern hemisphere southward in summer, the wind shear in the southern hemisphere is great, and the clouds generated by convection in the tropical system are separated from the bottom convection center, which makes the high and low centers separate, and the exposure of the bottom center is not conducive to maintaining the warm core structure of the tropical system center.