Australia is bracing for a rare 'super' El Niño event that promises a hotter and drier summer than usual. The Bureau of Meteorology has confirmed the end of the 2025-26 La Niña, signaling the imminent onset of its opposite phase, El Niño. This climate pattern is expected to bring warmer Pacific waters and weaker trade winds, leading to significantly drier conditions across Australia.
Key Takeaways
Australia is preparing for a rare 'super' El Niño event that could bring hotter and drier conditions than usual. The Bureau of Meteorology has confirmed the end of the La Niña phase, signaling the onset of El Niño. This event is expected to be one of the most powerful in a century, with significant impacts on weather patterns globally.
- Australia faces below-average rainfall from May to July
- Temperatures may exceed 40°C in key areas like Sydney
- Tropical regions could experience a delayed monsoon season
- The last significant El Niño event contributed to the devastating Black Summer bushfires
- Global climate models predict 2026 could be the second-warmest year on record
The upcoming super El Niño event could be one of the most powerful in a century, according to experts. The Bureau's long-range forecast indicates below-average rainfall for parts of eastern and south-western Australia from May to July. This phenomenon is anticipated to develop in late winter or early spring and will impact the country well into 2027. Key areas such as Sydney can expect more days with temperatures exceeding 40 degrees Celsius, while tropical regions may experience a delayed monsoon season.
The last significant El Niño event in 2018-19 played a major role in the devastating Black Summer bushfires. The upcoming event raises concerns about heightened risks of drought and bushfires, particularly along the east coast. Additionally, there may be a shorter snow season for New South Wales ski resorts due to reduced rainfall.
The impact of this El Niño extends beyond Australia's borders. Carbon Brief predicts that 2026 will be the second-warmest year on record, with a 19% chance it could surpass 2024 as the warmest. The global climate models also indicate significant shifts in weather patterns, affecting regions like Southeast Michigan and the Great Lakes.
Scientists are closely monitoring conditions in the Pacific Ocean that could lead to extreme weather events around the world. There is a growing confidence that this El Niño event could be one of the strongest ever recorded. The UK Met Office has stated that there is a 50% chance of a strong or very strong El Niño developing between November and January, with sea surface temperatures potentially rising more than 2°C above normal.
Each El Niño event is unique, but it tends to create drought and heat across Australia, southern and central Africa, India, and parts of South America. Heavy precipitation could hit the southern tier of the US, parts of the Middle East, and south-central Asia. The stronger the El Niño, the more likely it will supercharge weather events globally.
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