El Niño consolidation spurs flood and fire preparedness across South America

Technical assessments confirm that the El Niño climate event is now fully established with an almost certain likelihood of persisting through the rest of 2026 and potentially intensifying into early 2027. Authorities in Argentina’s Chaco province released a technical note urging immediate reinforcement of flood‑prevention infrastructure, drainage maintenance and continuous hydrometeorological monitoring. The Buenos Aires provincial government activated its risk‑management committee to coordinate water‑level monitoring, infrastructure works and emergency planning ahead of expected heavy rains. In Uruguay, the Salto Department’s emergency committee began drafting evacuation and shelter plans for possible floods. Mexico’s Coahuila state reported a dual risk of intense rainfall and extreme heat, urging residents to stay hydrated and heed local alerts. Chilean meteorological services warned of torrential rains up to 150 mm in 48 hours, prompting red alerts in several communes. Bolivia’s meteorological agency highlighted a severe drought risk for the western region in October–November. Guatemala faces an 88 % chance of severe drought affecting 18 departments. Colombia’s water utility and the private sector have begun water‑security projects, while experts in Santander cautioned that reduced river flows could pressure the national power grid. Peru’s construction industry called on companies to acquire heavy‑machinery and logistics capacity for rapid response. Across the region, coordination among civil protection agencies, military assets, and local communities is emphasized to centralise communication, streamline evacuations and protect vulnerable populations.