OMM warns of El Niño, but the world ignores the structural risk

By Klaus Berger · Reporting from Frankfurt · September 3, 2026

António Guterres, the Secretary-General of the Organização das Nações Unidas, describes the current El Niño as being "supersized" before our eyes.

António Guterres, the Secretary-General of the Organização das Nações Unidas, describes the current El Niño as being "supersized" before our eyes. For the diplomat, this is a call for global solidarity. For a strategist, it is a warning of a systemic failure in risk pricing. When the Organização Meteorológica Mundial (OMM) reports a "nearly 100 percent" probability that this phenomenon will persist until February 2027, we are no longer discussing a weather forecast; we are discussing a looming balance sheet crisis for the global south and a supply chain shock for the north.

The Subsurface Debt is Coming Due

The numbers provided by NASA and NOAA, and relayed by outlets like G1 Globo and the Philippine Daily Inquirer, are not merely statistics; they are leading indicators of a crash. We are seeing sea surface temperature anomalies in the Niño 3.4 region projected to hit 3.9°C by November. More alarming is the subsurface heating, which exceeded 8°C above average in July and early August. In my years in fixed income, such a divergence between the surface and the underlying structure always signaled a violent correction.

Celeste Saulo, Secretary-General of the OMM, is correct to warn that this event could be more potent than anything observed in the last four decades. We have seen this pattern before, though we rarely learn from it. The 2023-2024 El Niño showed us the fragility of our current temperature baselines, while the 2015-2016 event demonstrated how quickly humanitarian crises scale when the Pacific warms. We are now entering a phase where "very strong" is the baseline, and the margin for error has vanished.

A Five Trillion Dollar Ghost

To understand the scale of the risk, one must look to the 1997-1998 El Niño. That event was not merely a period of "extreme weather"; it was a global economic hemorrhage that resulted in an estimated US$5.7 trillion in losses over five years. The mechanism was identical to what we face now: a massive injection of heat into the Equatorial Pacific that disrupts the atmospheric conveyor belt, triggering a domino effect of droughts and floods.

The ghost of 1997-1998 is already appearing in the data. ABC Color reports that Panama and El Salvador have already declared states of emergency, with Panama specifically reducing ship traffic through its interoceanic route. This is the precise point where a meteorological event becomes a trade crisis. When the Panama Canal slows, the cost of every container increases. When Peru declares a state of emergency in one-third of its municipalities due to food security risks, we are seeing the precursor to a commodity price spike. We saw similar, albeit smaller, disruptions during the 2009-2010 El Niño, but the current subsurface heat suggests a magnitude that dwarfs those echoes.

The Fallacy of the Natural Event

The OMM has been careful to state that El Niño is a "natural climate phenomenon" and not caused by climate change. This is the strongest argument for those who wish to remain passive: the idea that because the event is "natural," it is an act of God for which we cannot be held accountable. It is a seductive argument for politicians who prefer to react to disasters rather than fund the boring, expensive work of resilience.

But in the world of risk management, the origin of the shock is irrelevant; only the impact matters. Labeling this "natural" is a dangerous distraction that encourages moral hazard. Whether the warming is a result of a cyclical oscillation or a long-term trend, the result is the same: a plummet in agricultural yields in the Amazon, Indonesia, and Australia.

We are heading toward a coordinated global emergency fund request as nations in the tropics realize their reserves are insufficient. We will see a surge in climate-driven migration from the drought-stricken northwest of South America toward the southeast. The "natural" label will not feed the hungry or clear the shipping lanes in Panama.

The world is treating this as a seasonal anomaly when it is, in fact, a structural liability. By the time the peak hits in December 2026, the markets will have already priced in the failure of our preparation, and the cost will be borne by the most vulnerable. We are not in uncharted waters; we are simply ignoring the map.

OMM warns of El Niño, but the world ignores the structural risk

The Subsurface Debt is Coming Due

A Five Trillion Dollar Ghost

The Fallacy of the Natural Event

Sources