Super El Niño Could Add 15,800 Heat-Related Deaths in India: Report
Context
A new Climate Impact Lab assessment projects around 15,800 additional heat-related deaths in India between September 2026 and February 2027, compared with a normal year, amid an exceptionally strong El Niño event. Globally, the study estimates around 4.51 lakh excess heat-related deaths during the forecast period.
Key Highlights
- El Niño and heat linkage: El Niño involves abnormal warming of the tropical and equatorial Pacific Ocean and can alter atmospheric circulation. It may suppress rainfall in parts of India while increasing the likelihood of abnormal temperatures and weather extremes.
- Unusual seasonal risk: The assessment projects around 7,400 additional deaths in India between December 2026 and February 2027, indicating that heat related mortality may extend beyond the conventional summer heatwave season.
- Rainfall deficit: The article links increased heat risk with deficient rainfall. Lower soil moisture can intensify land-surface temperatures and negatively affect agriculture.
- Energy-climate feedback: Higher temperatures can increase electricity demand for cooling. At the same time, stressed power systems and inadequate fuel availability can make adaptation more difficult.
- Forecast based disaster management: Seasonal mortality forecasts provide an opportunity for anticipatory action rather than waiting for extreme events to occur. Measures can include heat alerts, cooling centres, hydration facilities, occupational safeguards and health system preparedness.
Key Concepts
- El Niño: Periodic warming of the central and eastern tropical Pacific Ocean associated with changes in atmospheric circulation and global weather patterns.
- ENSO: El Niño – Southern Oscillation, a coupled ocean atmosphere phenomenon comprising the El Niño and La Niña phases.
- Heat Mortality: Deaths associated with exposure to high temperatures, including deaths linked to heat stress and the worsening of cardiovascular, respiratory and other conditions.
Way Forward
India should strengthen heat health action plans, early warning systems, cooling infrastructure, urban heat mitigation, worker protection measures and climate resilient healthcare, with particular attention to vulnerable populations.