El Niño's Potential Return Threatens to Escalate Global Temperatures
Meteorologists are increasingly forecasting a 'swing' towards an El Niño weather cycle later this year, with sources indicating the chance of its formation between August and October is now as high as 59%. El Niño, the periodic large-scale warming of ocean surface temperatures in the central and eastern equatorial Pacific, warps global weather patterns by altering rainfall and wind circulation. This natural cycle is linked to extreme climate events, including more intense heat waves and damaging droughts, which a recent study notes are already happening more frequently. The potential return of El Niño carries significant implications for global temperatures. The extra heat released from the Pacific Ocean's surface into the atmosphere can temporarily drive up the planetary average, with scientists warning it could push global temperatures to record highs as soon as 2027. The phenomenon is so potent that the rapid warming of the Pacific Ocean has forced scientists to develop new methods for detecting and predicting El Niño and its counterpart, La Niña. The climate pattern also has direct consequences for specific regions, particularly concerning hurricane activity. While El Niño tends to suppress Atlantic hurricanes, it can supercharge storm formation in the Pacific, with the potential for 'supercharged storms' to impact the US and Hawaii depending on where the warmest waters set up. As the current La Niña fades and neutral conditions take hold, the scientific community is closely monitoring the Pacific for signs of a shift that could reshape weather and climate risks for the coming year.
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Sources
Chance of El Niño forming in Pacific Ocean may push global temperatures to record highs in 2027 | El Niño southern oscillation | The Guardian
The cycle of ocean temperatures in the Pacific – known as the El Niño southern oscillation (ENSO) – is linked with extreme climate events around the world. When warmer-than-average waters gather in the east of the equatorial Pacific and extend to the coast of the American continent, this ...
El Niño could return this year and make Earth even hotter. Here's what to know about the weather phenomenon. - CBS News
This weakening warms the usually cooler central and eastern sides of the ocean, altering rainfall over the equatorial Pacific and wind patterns around the world. The extra heat at the surface of the Pacific releases energy into the atmosphere that can temporarily drive up global temperatures, which ...
El Niño refers to the periodic large-scale warming of the ocean surface temperatures in the central and eastern equatorial Pacific Ocean, coupled with changes in the tropical atmospheric circulation, including changes in winds, pressure and rainfall patterns.
Rapid Warming of the Pacific Ocean Subsurface in February 2026 - Climate Impact Company
If so, surface warming of the eastern equatorial Pacific develops quickly and MJO has increased climate impacts on South and North America. While this scenario makes sense, given the upper ocean heat to maintain MJO strength, forecast models are doubting this scenario.
Newsweek reached out to the National Weather Service (NWS) Climate Prediction Center via email for comment. El Niño is a climate pattern that occurs in the Pacific Ocean every two to seven years, leading to weakened trade winds and warmer ocean waters being pushed toward the western coast ...
Yes, El Niño tends to lead to ... the warmest water sets up (eastern vs. central Pacific) may determine which basin is most above normal, Hazelton said. Eastern Pacific hurricanes tend to stay out to sea and seldom impact the United States, except their remnants can soak the Southwest. Central Pacific hurricanes can impact Hawaii. More: Hurricane Melissa now tied for strongest winds in an Atlantic storm · "It is really early for a seasonal hurricane forecast," Klotzbach ...
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