Due to its high humidity, the south often experiences severe storms with heavy rains called cyclones ,hurricanes, monsoons, tornadoes

Hurricanes (I figure your talking about United States)

Explanation:

I live in Florida and Cyclones are the Hurricane equivalent in the South Pacific Region, Monsoons are a Season Reversing wind accompanied by rain and wind, and Tornado's mainly happen in the Middle part of America as the northern winds and southern ocean wins combine to create funnel clouds and this region in the Great Plains area is known as "Tornado Alley"

it sounds like either a or c

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