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Australia declares El Nino set to be strongest in decades

The Australian weather bureau warned that an El Nino weather pattern had formed in the tropical Pacific and could intensify in the second half of 2026 to become the strongest for seven decades.

Forecasters are expecting the stronger weather to bring excessive rainfall to the Americas, and hot, arid conditions to Asia, where crop planting has already been disrupted. This raises concerns about the?food supply in the most populous part of the world.

The Bureau of Meteorology released a statement that said sea surface temperatures in the region had exceeded El Nino thresholds, and that atmospheric indicators were all in line with the phenomenon.

The extent of the warming in the central tropical Pacific is a factor that has been used to make forecasts.

Around half of the models suggest that this event could reach levels comparable to the highest observed since the 1950s.

Scientists say climate change will amplify the effects of El Nino this year.

The Bureau said that El Nino, a periodic warming of the sea surface temperature in the central and eastern Pacific Ocean, is associated with less rain in winter and spring on Australia's east cost, and higher temperatures in southern Australia.

Australia is particularly affected by the weather phenomenon, as it has a major impact on the agricultural production of the country. Australia ranks as one of the largest exporters in the world for wheat, sugar, and beef.

The last El Nino that Australia experienced from 2023-2024 was the driest period of three months on record.

The'strongest' of these events occurred in 2015 and 2016. It was a time of widespread drought, and a reduction in grain and oilseed production. (Reporting from Renju Jose in Sydney and Christine Chen in Singapore, with additional reporting by Naveen Thkral in Singapore. Editing by Christopher Cushing & Clarence Fernandez).

(source: Reuters)