Overview
- Senamhi issued an orange alert for 12 Amazon and adjacent regions from midnight Jan 15 to late Jan 16, projecting 50–80 mm of rain per day with thunderstorms and strong gusts.
- Arequipa moved to an orange alert as huaicos and high-elevation snow were reported, restricting traffic on the Panamericana Sur and prompting flight cancellations in the Alfredo Rodríguez Ballón airport due to fog.
- INDECI warned of red-level risk for all eight provinces in Arequipa from 1 p.m. Jan 14 to 1 p.m. Jan 15 and urged residents to avoid crossing active channels and to follow evacuation guidance.
- Senamhi set a yellow alert for coastal La Libertad with 1–8 mm/day expected in Trujillo, Ascope, Chepén, Pacasmayo and Virú, advising roof reinforcement, gutter cleaning and cautious driving.
- Cusco authorities placed major archaeological parks including Machu Picchu on maximum alert through March under a national emergency decree, with intensified monitoring and conservation measures.