Overview

• Senamhi's nocturnal cold alert runs from 00:00 on Oct. 11 through the night of Oct. 12 for Arequipa, Puno, Cusco and Moquegua.
• Minimums could reach −14°C above 4,000 meters with around 5°C at sites above 3,000 meters, alongside wind gusts up to 40 km/h.
• A separate precipitation alert remains active until Sunday, Oct. 12 at 23:59 for Áncash, Ayacucho, Cajamarca, Huancavelica, Huánuco, Junín, La Libertad, Lambayeque, Lima, Pasco, Piura and Tumbes.
• Forecasts note possible electrical discharges, gusts near 35 km/h, hail above 2,800 meters and snow above 4,000 meters in affected highland zones.
• Coastal showers in the north are linked to rainfall transfer from the northern sierra, with expected accumulations of 3–6 mm/day in Tumbes and Piura, under 2 mm/day in Lambayeque and La Libertad, and 10–15 mm/day in the northern highlands.