The cracked soil of a dried up fishery in the Philippines in South east Asia
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El Nino has been causing extreme weather around the world

17 August 2015 Last updated at 17:16 BST

In recent weeks we've been telling you about extreme weather that's happening around the world - from typhoons in China to wildfires in America.

Ricky's been speaking to BBC weatherman Simon King to find out what's going on.

El nino

A weather event called El Niño, which can cause extreme weather around the world, is happening this year.

An El Niño comes along about every two to seven years as part of a natural cycle.

What is El Niño?

El Niño is caused by warmer than usual water in parts of the Pacific Ocean, between South America and Australia, and creates unusually hot and stormy weather.

Warm air from the west blows into the pacific ocean and heats it up just below the surface.

This warmer water can then lead to certain weather patterns becoming more likely.

An El Niño that happened five years ago was linked to monsoons in Southeast Asia, droughts in southern Australia, the Philippines and Ecuador, blizzards in the US, heatwaves in Brazil and bad flooding in Mexico.