The July 2011 Chilean winter storm was a winter storm affecting the Andean portions of Biobío, including Ñuble Province, and Araucanía regions in south-central Chile.
[1][2] Through the Andean valleys thousands of people were left isolated because of heavy snowfall.
[1] Avalanches left the tourist facilities of Termas de Chillán isolated.
[3] The Chilean Air Force made an operation to deliver supplies to isolated localities.
[3] Defense Minister Andrés Allamand visited the affected area.