The Briefing
- Peru's ENFEN commission confirmed on October 16 that Coastal El Niño will hold an extraordinary intensity rating through January 2027, not easing to "strong" until early autumn 2027.
- Seven key rivers will exceed normal flow levels starting November, with Lima's Rímac and Chillón rivers — which supply water to over 10 million people — at elevated risk from December onward.
- The regional economic toll could reach 2% of Latin America's GDP, while Oxford Economics puts global losses at up to $9.67 trillion in a severe stress scenario through 2029.