Question

In La Niña years, the normal trade winds along the equator become unusually strong, blowing warm water eastward. Along the coast of South America, currents bring cold water to the surface in a process known as upwelling. World map showing ocean currents and winds © 2016 Thinkstock How does this affect weather patterns around South America?

Answer 1

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

Step-by-step explanation:

La Nina causes jet streams to be amplified and variable, which causes there to be drier and warmer conditions.

Answer 2

drastic drop in sea- surface temperature

Step-by-step explanation:

• La Nina is associated with the atmospheric phenomenon of the ocean and is considers to be cooler counterparts of the ENSO circulation system and during its occurrence, the sea surface temperatures of the nearby ocean water drop down to about 3 to 5 degrees. And t has extensive effects on the weather across the globe and lasts for five months and affects the Atlantic and the Pacific hurricane season.