Deutsche Bank warns El Niño could deliver major supply shock

Deutsche Bank ↘ 2.74% warned on July 20 that a rapidly strengthening El Niño weather pattern could deliver a "multi-channel supply shock" to the global economy at a time when inflation is already running above central bank targets and geopolitical disruptions have strained trade routes.semafor+1

A Potentially Record-Breaking Event

The U.S. Climate Prediction Center confirmed in its latest update that there is an 81% probability of a "very strong" El Niño between October and December — defined as sea surface temperatures rising 2.0°C or more above the index value — which would rank the event among the largest in the historic record going back to 1950. The CPC also put the odds at 97% that El Niño will persist through early spring 2027.phys+1

Sea surface temperatures in the key Niño 3.4 region of the equatorial Pacific are already 1.2°C above average, according to the CPC, and Columbia University's International Research Institute forecasts El Niño probabilities at 100% from July through January.iri.columbia+1

Multiple Channels of Disruption

Deutsche Bank economists identified agriculture, hydropower, shipping, and political stability as the primary transmission channels through which El Niño could amplify inflationary pressures. "Alongside the Iran war, El Niño will push inflation higher … when it is already above target," the bank's research note stated.dbresearch+1

The warning comes as the FAO's July report showed global wheat output is expected to decline 4.3% this year to 806.5 million tonnes, with Australia's harvest already falling below its five-year average due to El Niño-driven dryness. World rice production is also anticipated to dip 1.8% from its 2025/26 record.reliefweb

FAO Chief Economist Máximo Torero flagged the compounding risk in a July 16 post, noting that if El Niño "affects major exporting countries already facing water and input constraints, the impacts could intensify further." The Strait of Hormuz disruption has already constrained 20–30% of globally traded fertilizers and about 50% of global sulfur exports, driving up agricultural input prices.linkedin

Preparing for Impact

The European Commission's Joint Research Centre warned in June that extreme heat will build across the tropics from September, peaking between December 2026 and February 2027, with drought risks elevated across Southern Africa, Southeast Asia, and Central America. China is already offering typhoon survival training in coastal cities ahead of El Niño's arrival.joint-research-centre.europa+1

The FAO Food Price Index stood at 130.3 points in June 2026, still 2.2% above year-ago levels, even before El Niño's projected peak. With the phenomenon expected to reach its full force in the fourth quarter, the convergence of climate disruption and geopolitical strain leaves the global economy with little room to absorb another shock.reliefweb