These are the classic early signals that often precede El Niño. There is growing evidence that the frequency and intensity of strong El Niño events have increased in since the mid-20th century. Climate models suggest that in a warmer world, the most extreme El Niño events may become more common. If El Niño does develop in the coming months, it will not arrive in isolation. Whether 2026 delivers a full-fledged El Niño, a weaker one, or an extended neutral phase, the broader direction matters.

Source: Irish Examiner April 03, 2026 12:31 UTC