Super El Niño 2026: Is the Year of Monstrous Storms Already Underway?

The Pacific Ocean accumulates large amounts of heat during El Niño, which increases the risk of typhoons and cyclones in its western part / Photo by Allec Gomes for Unsplash+

Something is shifting beneath the surface of the Pacific Ocean. Meteorologists are watching it closely. You should too.

The Year the Ocean Began to Boil

For the past several months, climate scientists at NOAA, the World Meteorological Organization, and research institutions across the globe have been tracking an anomaly building in the equatorial Pacific with growing unease.

The numbers arriving from ocean buoys, satellites, and subsurface sensors are telling a story that has been told before – but not often, and not without consequence.

El Niño is emerging faster than expected in the Pacific Ocean, and odds are increasing that it could become historically strong – a rare “Super” El Niño – by autumn or winter. This is according to a recent update from NOAA’s Climate Prediction Center, which puts the chance of El Niño’s peak strength at strong or very strong at roughly 2 in 3.

Climate models are now strongly aligned, and there is high confidence in the onset of El Niño, followed by further intensification in the months that follow,” said Wilfran Moufouma Okia, Chief of Climate Prediction at WMO.

To understand what this means for the rest of 2026 – for hurricane tracks, monsoon seasons, Australian bushfires, and the winter that follows – you first need to understand the mechanism itself.

What Is a “Super” El Niño, and How Do You Know One Is Coming?

El Niño is not a storm. It is not a disaster. It is, at its core, a temperature anomaly – a periodic warming of the surface waters of the central and eastern tropical Pacific Ocean that ripples outward through the entire global atmosphere like a stone dropped into still water.

El Niño refers to the warmer-than-average phase of the El Niño-Southern Oscillation (ENSO), a natural cycle where sea surface temperatures across the central and eastern equatorial Pacific Ocean rise and fall.

NOAA ranks the strength of El Niño events by measuring the sea surface temperature departure from average, classifying events as weak, moderate, strong or very strong. When that departure exceeds 2°C above the historical norm, the event earns the informal designation that now dominates headlines: Super El Niño.

The symptoms of an emerging event are already visible in the data. Above-average subsurface temperatures have strengthened and spread across the Pacific, reaching the far eastern basin.

Warmer waters now dominate much of the subsurface, and their eastward expansion has pushed the Niño 1+2 index up to +1.8°C, with signals pointing to rapidly evolving ENSO conditions favouring a swift onset of El Niño.

The mechanism works like a planetary heat engine. Normally, trade winds blow from east to west along the equator, pushing warm surface water toward Asia and Australia and allowing cooler water to rise along the South American coast.

During El Niño, those easterly winds weaken or in some cases start blowing in the opposite direction, from west to east, allowing warm water to spread across the central and eastern Pacific.

The result is a massive release of stored oceanic energy into the atmosphere, altering the global jet stream and reshuffling weather patterns across every continent.

A Kelvin wave (a surge of warm water) has spent recent weeks pushing heat to the surface far ahead of the schedule projected earlier this year. The ocean is not yet at Super El Niño thresholds.

But the trajectory is clear, the momentum is building, and the scientific community is watching with a mixture of professional fascination and genuine concern.

One important caveat – and the science demands honesty here: “there is substantial uncertainty in the ultimate strength of El Niño,” according to Michelle L’Heureux, a physical scientist at NOAA’s Climate Prediction Center.

“While there is a 2-in-3 chance of a strong or very strong El Niño for the November-January season, there is still a 1-in-3 chance of a moderate event.” The engine is running. How fast it will run remains to be seen.

What Kind of Storms? Hurricanes, Typhoons, and the Paradox

The relationship between El Niño and extreme weather is counterintuitive in places, and worth understanding clearly – because the headlines often get it wrong.

In the Atlantic, El Niño typically suppresses hurricane activity. Stronger El Niños often produce storm-killing conditions in the Caribbean and tropical Atlantic, resulting in fewer tropical storms and hurricanes there – a phenomenon driven by increased vertical wind shear that can tear a developing tropical system apart or prevent it from forming.

But “fewer Atlantic hurricanes” does not mean “safer.” It is the opposite story in the central and eastern Pacific, where hurricane season is usually busier under El Niño.

That could mean more tropical threats to Hawaii and the Southwest United States, depending on where storms track.

And the broader atmospheric warming that accompanies a Super El Niño can allow storms that do form – anywhere – to intensify far more rapidly than historical averages would suggest.

In the western Pacific, the dynamics are different entirely. This is where El Niño most directly fuels the development of the most powerful storms on Earth – the supertyphoons of the Philippine Sea and the South China Sea, Category 5 systems capable of sustained winds exceeding 250 kilometres per hour and rainfall measured in metres rather than centimetres.

El Niño shifts the formation zone of these storms eastward and equatorward, allowing them more ocean runway to intensify before making landfall.

Professor Bill McGuire, emeritus professor of geophysical and climate hazards at UCL, noted that the super El Niños of 1982-83 and 1997-98 each caused weather disruption calculated in the trillions of dollars.

The 2015-16 Super El Niño – the strongest in NOAA records dating to 1950 – reshaped weather patterns across six continents simultaneously. It would be the first Super El Niño since 2015-2016 if this year’s event reaches those thresholds.

A Region-by-Region Map of What Is Coming

El Niño does not affect the world evenly. It operates through regional teleconnections – atmospheric pathways that carry its signature to distant corners of the globe with different intensities and different effects. Here is what the current science suggests for the major regions.

North America

During El Niño, the northern half of the United States and parts of Alaska are more likely to see warmer-than-average temperatures.

For precipitation, wetter-than-average conditions are typically observed along the southern tier of the US – in parts of California, the Southwest, Gulf Coast and Southeast. Below-average precipitation is frequently observed across parts of the northern Rockies, south-central Mississippi Valley, Ohio Valley and Great Lakes regions.

In practical terms: California and the American Southwest, which have oscillated between drought and atmospheric river flooding in recent years, face another wet and potentially destructive winter.

The Pacific hurricane season poses elevated risk to Hawaii. The northern United States and Canada are likely to see a milder, drier winter than average.

South America

The western coasts of Peru and Ecuador are El Niño’s most direct victims. In normal years, the cold Humboldt Current keeps these regions among the driest on Earth.

El Niño reverses this, flooding coastal deserts and triggering catastrophic mudslides on slopes that have no vegetation to hold the soil together.

El Niño is typically associated with increased rainfall in parts of southern South America. Meanwhile, the autumn and winter could bring drought conditions to parts of the Amazon – a dangerous outcome for a forest already under severe pressure, where drought and heat combine to create conditions for fires of a scale that sends smoke across the continent.

East and Southeast Asia

During El Niño, with warmer water displaced to the central and eastern Pacific, the western Pacific is generally cooler. Thunderstorm activity decreases, and rainfall in some of the world’s wettest regions becomes significantly lighter.

This disrupts the monsoon systems that hundreds of millions of people in India, Bangladesh, and Southeast Asia depend on for agriculture and water supply. The summer monsoon season in South Asia could be weaker under a strong El Niño.

Meanwhile, the supertyphoon risk for the Philippines, southern Japan, Taiwan, and the Chinese coast intensifies. These are among the most densely populated coastlines on Earth.

Australia and New Zealand

The case for El Niño’s impacts is clearest in Australia, where an El Niño event leads to a much drier season, increasing drought risk across the northern and eastern parts of the continent.

The 2019-20 Black Summer bushfires (among the most catastrophic in Australian history, burning an area larger than the United Kingdom) occurred against a backdrop of El Niño-driven drought. A Super El Niño in 2026 raises the spectre of a repeat, or worse.

El Niño has been linked to crop failures, more frequent wildfires and concurrent droughts, increased flood risk, disruptions to fisheries, elevated civil conflict, and increased disease risk in various regions. For Australia, all of these risks apply simultaneously.

Europe

Europe sits farthest from the Pacific source region, and its response to El Niño is mediated through the North Atlantic atmospheric circulation in ways that make precise prediction difficult.

El Niño years tend to increase the likelihood of colder than average winters in the UK, because the altered jet stream makes it more likely that polar air sweeps south.

A stronger El Niño raises the risk of impactful storms later in the year, potentially delivering unseasonably warm spells, heavy rainfall, or altered Atlantic storm tracks through winter.

The global temperature peak linked to this event may not happen until 2027 rather than 2026, meaning Europe’s most pronounced effects could lag the Pacific peak by months.

For Eastern and Northern Europe, historical Super El Niño events have been associated with colder, snowier winters in the latter part of the year and into the following spring, while Southern Europe and the Mediterranean tend toward wetter conditions.

The Domino That Changes Everything Else

There is one effect of El Niño that does not get the attention it deserves, and it may be the most significant of all. El Niño is loading the dice toward 2026 or 2027 becoming Earth’s warmest year on record.

This matters not because a record is a record, but because global temperature records now cascade into every other system: coral bleaching, sea ice extent, permafrost stability, and the baseline conditions within which all the regional weather patterns described above operate.

The frequency and severity of El Niño events increased in the latter part of the 20th century, and climate change is projected to further increase both, as well as making these events more difficult to predict.

Each Super El Niño now arrives into an ocean that is warmer than the last one encountered. The baseline has shifted. What qualified as an extreme outcome in 1982 or 1997 is the starting point for 2026.

This is the deeper meaning of what the satellites are measuring in the Pacific right now. It is not simply a weather forecast.

It is a readout of the accumulated thermal energy of decades of greenhouse gas emissions, now expressing itself through the most powerful climate engine on the planet.

Nature Does Not Negotiate

The honest conclusion is this: we do not yet know whether 2026 will produce a true Super El Niño. While confidence in the occurrence of El Niño has increased, there is still substantial uncertainty in the peak strength, with no strength categorisation exceeding a 37% chance.

The strongest El Niño events in the historical record are characterised by significant ocean-atmosphere coupling through the summer, and it remains to be seen whether this occurs in 2026.

What we do know is that the conditions for an exceptional event are present. The subsurface heat is there. The trade winds are weakening. The models are converging.

And the background state of the global ocean, warmer than at any comparable point in the instrumental record, means that whatever El Niño does develop will do so in conditions that amplify its effects.

Humanity has built extraordinary tools for understanding the atmosphere. We can track Kelvin waves beneath the Pacific surface. We can model the jet stream months in advance.

We can predict, with reasonable confidence, that California will be wetter and Australia will be drier and the western Pacific typhoon season will be more dangerous.

What we cannot do is negotiate with a 270-million-square-kilometre ocean that has been storing heat for decades and is now releasing it into the atmosphere on its own schedule.

The end of 2026 will remind us, as El Niño always does, that the largest forces acting on human civilisation are not political or economic. They are thermal. And they do not read the headlines.