US National Oceanographic and Atmospheric Administration

El Nino set to be strongest ever

The developing El Nino is stronger than the last major event of its type in 1997.

According to the US National Oceanographic and Atmospheric Administration (NOAA) and the UK Met Office, this El Nino is shaping up to be the strongest since records began in 1950.

El Nino is a natural phenomenon which occurs every two to seven years and lasts between six and 18 months.