Paraná braces for heavy rains as El Niño intensifies

The latest NOAA and Brazilian meteorological updates indicate that the El Niño phenomenon will strengthen through the winter of 2026, reaching its peak in the spring‑summer of 2026/2027. The system’s probability of developing into a strong or very strong event exceeds 80%, with projected rainfall well above historical averages, especially in Paraná’s western and southwestern regions, including the Iguaçu River basin.

Simepar’s technical note warns that intensified precipitation will raise the risk of flash floods, landslides, hail and strong winds, potentially affecting all 399 municipalities and over 4.5 million residents. Agricultural operations may face both benefits from reduced drought and challenges from excess moisture, soil erosion and fungal diseases.

State authorities have launched a coordinated response: more than R$ 840 million is being allocated for flood‑control works, drainage upgrades and emergency infrastructure, while the Defence Civil Service has urged municipalities to update contingency plans and conducted tabletop and field simulations. The Legislative Assembly of Paraná held a work meeting to discuss prevention strategies, involving Simepar, the Defence Civil Coordination and agricultural representatives.

Overall, the government is mobilising resources, regulatory flexibilities and public‑awareness efforts to mitigate the anticipated impacts of the forthcoming heavy‑rain season.