Question

What is known as El Nino

Answer 1

1. El-Nino is a replacement of equatorial current with cold Peruvian current or Humboldt current.
2.Indian subcontinent also experiences complex weather phenomenon known as El-Nino. 
3.It appears once every three to seven years bringing drastic changes in the weather conditions of world and causing drought and floods in some regions of the world
4.El-Nino involves atmospheric phenomenon which appearance of warm current off the coast of Peru in eastern pacific which affects weather of Indian and eastern pacific countries.