Question

Explain El nino. What are its charecterstics?

Answer 1

El Niño is an abnormal weather pattern caused by the warming of the Pacific Ocean near the equator, off the coast of South America . During El Niño, though, those trade winds weaken, or even reverse, which lets the warm water that is usually found in the western Pacific remain or flow east. This warm water displaces the cooler water that is normally found near the surface of the eastern Pacific, setting off atmospheric changes that affect weather patterns in many parts of the world.

A temperature increase of least 0.9 F (0.5 C) needs to occur in the waters of the eastern Pacific Ocean near the equator for it to be considered an El Niño year.

Answer 2

EL Nino The periodic development of warm ocean current along the coast of Peru as a temporary replacement of the cold Peruvian current, is called EL-Nino.
Features of EL Nino
(i) The presence of the EL-Nino leads to an increase in sea-surface temperatures.
(ii) It weakens the trade winds in the regions and causes heavy rainfall, floods or droughts in different regions of the world.