Seasonal models suggest a powerful El Nino climate pattern could develop, potentially becoming the strongest recorded. According to Jeff Berardelli, Chief Meteorologist and Climate Specialist at WFLA-TV in Tampa, Florida, we may experience unprecedented weather events.
Understanding El Nino
The World Meteorological Organization (WMO) anticipates an El Nino event starting mid-year, affecting global temperatures and rainfall. While models typically struggle with springtime predictions, current indicators suggest a strong event is possible. El Nino, a cyclical warming of equatorial Pacific waters, alters global weather patterns. Its opposite, La Nina, involves cooler waters. Berardelli explains that El Nino redistributes Earth’s heat, with subsurface Pacific heat moving east and rising to the surface. WMO’s climate update notes rapidly increasing sea-surface temperatures, suggesting high confidence in El Nino’s onset, followed by further intensification.
Causes for Alarm
Daniel Swain, a climate scientist from the California Institute for Water Resources, notes the predictive models’ accuracy as subsurface warm water anomalies reach record levels. Such anomalies, central to El Nino physics, indicate potential for a “super El Nino.” Although uncertain, Swain highlights genuine potential for notable events. If the Pacific releases significant heat, it could intensify heatwaves, accentuate drought, and increase flood-inducing moisture. Berardelli adds that El Nino diminishes the Atlantic’s hurricane season due to intensified Pacific heat. Areas like the Caribbean may face drier conditions and fewer tropical systems.
Global Impacts
El Nino’s influence is global. In the United States, Berardelli predicts a hotter than usual summer with considerable heatwaves. While specifics remain unclear, more frequent thunderstorms in the Southwest are likely. Forest degradation in the Amazon, exacerbated by wildfires, logging, and drought, affects about 40% of the area and could worsen with a strong El Nino in 2026. Swain expects record-breaking global warmth due to El Nino combined with climate change’s ongoing warming.
Michael Mann, a climate scientist at the University of Pennsylvania, explains that El Nino temporarily boosts global temperatures, but ultimately, it reverts to La Nina, which reduces temperatures briefly. The greater concern is the continuous warming trend caused by fossil fuel consumption. Without changes, this trend will persist regardless of El Nino cycles.
Peter Prengaman from the Associated Press contributed to this report. The AP’s climate and environmental coverage receives funding from private foundations, with AP responsible for all content. Details of AP’s standards and funding information are available at AP.org.
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