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El Nino and the World's Weather in 2026/27

Forecasters say that a powerful El Nino will develop in the second half 2026. This phenomenon is expected to bring hotter and drier conditions across Asia while increasing rains throughout North America and South America.

What do forecasters predict?

Japan's Weather Bureau says that there is a 70% probability of an 'El Nino' forming during the summer in the northern hemisphere, and Indian weather authorities warn that the South Asian 'nation's Monsoon Season could be below normal for the first time since three years.

El Nino is expected to continue through the year, after first appearing in May.

U.S. Climate Prediction Center predicts that there is a 61% probability of El Nino in the period between May and July.

The Australian Bureau of Meteorology predicts below-average rainfall in the eastern cropping areas between May and August -?the first part of Australia's growing season.

The weather models predict temperatures and rains above normal in Australia, Southeast Asia, and India.

He added, "Overall I think this will be an ideal year for growing conditions in the Midwest of the United States." We will need to monitor the timing of El Nino. There could be impacts from excessive moisture near harvest.

What are the EL NINO and LA?NINA weather events?

The tropical Pacific is a climate system with two phases.

El Nino is a pattern of unusually high sea surface temperatures in the central and eastern equatorial Pacific.

The heat is redistributed when atmospheric pressure shifts weaken or reverse the normally steady easterly winds. This allows warm water piled up in western Pacific to move eastward, changing global weather patterns.

La Nina occurs when the trade winds intensify, pushing warm water towards the western Pacific while allowing cooler water to rise in the east. This causes sea surface temperatures to fall below normal.

La Nina can bring above-average rains to parts of Southeast Asia and Australia, but it has a variable impact on the Indian Monsoon, not a uniformly stronger one.

La Nina in the Americas tends to cause a wetter climate in northern South America, and a drier climate in the south. The Americas as a whole become drier.

Bureau of Meteorology in Australia says that an El Nino happens every three - to five years and a La Nina every three - seven years.

What was the impact of previous El Ninos events?

El Ninos can vary in their severity and impact.

The strong monsoon in 2015 and 2016, which weakened the Indian Monsoon, caused severe droughts across Australia and Southeast Asia. It decreased the production of sugar, palm oil, and grain.

In South America, the excessive rains disrupted corn and soybean harvests.

In India and Southeast Asia, a?moderate El Nino? in 2009 and 2010 brought dry weather which reduced the yields of rice and wheat staples.

El Nino 1997-1998 was the strongest ever recorded. The El Nino caused droughts in parts of Asia, resulting in a reduction of rice production. India however received an average amount rainfall. In the Americas, flooding damaged crops.

The last time a La Nina of this strength occurred was between 2020 and 2023. (Reporting and editing by Clarence Fernandez; Naveen Thupkral)

(source: Reuters)