NDRRMC: 27 provinces under signal number 1

September 14, 2018
Provinces under TCWS number 1 are Northern Samar, Batanes, Cagayan including the Babuyan Group of Islands, Apayao, Abra, Kalinga, Mt. Province, Ifugao, Isabela, Benguet, Quirino, Nueva Vizcaya, Aurora, Nueva Ecija, Bulacan, Rizal, Laguna, Quezon province including Polilio Island, Camarines Norte, Camarines Sur, Catanduanes, Albay, Sorsogon, Burias and Ticao Islands