In La Niña years, the normal trade winds along the equator became unusually strong, blowing warm water eastward. Along the coast of South Africa, current bring cold water to the surface in a process known as upwelling. How does this affect the weather patterns around South America? A. The upwelling adds to the humidity and increases storms.

B. The upwelling disrupts cloud formation, resulting in droughts.

C. The cold water from the upwelling causes more hurricanes.

D. The cold water from the upwelling causes drier than normal conditions.