Meteorologists have confirmed the formation of a significant El Nino event in the Pacific Ocean, raising concerns about its potential to intensify extreme weather globally. The US National Oceanic and Atmospheric Administration (NOAA) announced on June 13 that this El Nino is developing amid already elevated ocean temperatures and could reach historic strength comparable to the record-setting episode of 1997.

NOAA forecasts a 63% probability that the El Nino will peak in late fall or early winter, potentially ranking among the largest recorded since 1950. This natural warming cycle near the equator influences weather patterns around the world by bringing extensive heat to the ocean surface, which can then fuel a range of severe weather conditions.

Climate scientists warn that this El Nino could exacerbate impacts already intensified by global warming from fossil fuel emissions. Clark University’s Abby Frazier noted that the Pacific region is particularly vulnerable to rapid and severe changes during such events. United Nations Secretary-General António Guterres described the current El Nino as an “urgent climate warning,” emphasizing that it will amplify the effects of a warming planet.

The influence of El Nino on weather varies by region. Typically, it suppresses hurricane activity in the Atlantic Basin but increases storm frequency in the Pacific. Consequently, while the US East and Gulf coasts may experience fewer hurricanes, places like Hawaii face heightened risk. In the drought-stricken Middle East, conditions may improve slightly due to altered rainfall patterns, but other regions face greater threats. Western South America, historically affected by early El Nino observations, is likely to endure heavy rains and flooding alongside intensified summer heat. India is projected to experience harsher heat waves, and Australia confronts heightened risks of drought, wildfires, and heat stress.

Northeastern Africa could encounter sharp swings between severe drought and intense rainfall, according to Columbia University’s Muhammad Azhar Ehsan. In the United States, El Nino may bring more frequent and intense storms in the South accompanied by increased precipitation. Simultaneously, the northern Rockies and Southwest could see relief from persistent “off the charts” snow drought conditions through enhanced summer rainfall.

While El Nino can generally have positive agricultural effects in the US, supporting yields in major grain-producing states, outcomes vary for sectors such as dairy and cattle. Jon Gottschalck, chief of NOAA’s Climate Prediction Center operational branch, underscored the complexity of impacts. Research from Stanford’s Marshall Burke also indicates that elevated temperatures during El Nino events tend to slow US economic growth, raising concerns about the broader socioeconomic consequences of climate extremes.

Experts note that the timing of this El Nino’s peak may differ from typical patterns. While these events usually develop during summer and reach their maximum strength in late fall or early winter before dissipating in spring, some forecasts suggest an earlier peak this year, potentially extending its duration.

Scientists acknowledge that El Nino events may become stronger as global temperatures continue to rise, although it remains premature to attribute this particular episode directly to climate change. Despite the alarm associated with nicknames like “super” and “Godzilla,” researchers emphasize preparedness over fear. Ehsan urged readiness to mitigate the anticipated impacts as the event unfolds in the coming months.