NOAA Confirms Strong 2026 El Niño, Brazil Faces Divergent Drought and Flood Risks

Overview

• In June, NOAA and Brazil’s climate services raised certainty that a strong or 'super' El Niño is active and likely to persist into early 2027.
• Meteorological forecasts point to a split pattern with severe drought, low river levels and greater fire risk in the North and parts of the Northeast, hotter drier spells in the Centro‑Oeste and Southeast, and excess rains, floods and landslides in the South.
• The event creates material operational risks for hydropower and reservoir management that can force more costly thermal generation, disrupt river navigation and logistics, and threaten urban water supply.
• The National Water Agency warned that a R$44.9 million budget block under Decree No. 12.990 could halt parts of the national hydrometeorological network from September and reduce dam oversight and timely water‑use permits.
• Scientists say human‑driven warming is already amplifying heat extremes and will likely worsen El Niño impacts, so officials, utilities and companies must strengthen monitoring, contingency plans and support for vulnerable communities.