Senamhi: In the central and south-western sierra, the absence of precipitation continues

The National Meteorology and Hydrology Service of Peru (Senamhi) reports that the central and south-western highlands of Peru are experiencing precipitation deficiencies during the current rainy period of 2025-2026. This deficit is due to the influx of westerly winds, which carry dry air masses. This reduces the humidity available in the Andean region, a fundamental element for the development of convective clouds and, consequently, for the occurrence of precipitation. In November, the western highlands of Lima, Áncash, Huancavelica, Ayacucho, Arequipa, Moquegua, Tacna, and the regions of Cusco and Puno presented negative precipitation anomalies (between –100% and –60%), due to the absence of rain for 20 to 30 consecutive days without precipitation. Additionally, severely dry conditions were recorded in Arequipa on a quarterly scale (September-October-November) and extremely dry conditions in Puno (Cabanillas) and Cusco (Pisac) in November. Likewise, moderate dryness persisted in ...