El Niño occurs in the tropical equatorial Pacific Ocean , especially the central and eastern Pacific near the west coast of South America. It develops when warm surface water builds up along the equator , and its effects can spread far beyond the Pacific.

Quick Scoop

  • Where it happens: The tropical Pacific Ocean, mainly the eastern equatorial Pacific.
  • Key area affected: Waters near Peru and Ecuador often warm noticeably during an El Niño event.
  • Why it matters: It changes weather patterns around the world, including rainfall and drought patterns.

If you want, I can also explain why El Niño happens or how it affects weather in simple terms.