MANILA, Philippines — Severe Tropical Storm 'Kristine' may slightly weaken while crossing Northern Luzon after making landfall and may be downgraded into a tropical storm, the state-run weather agency said on Thursday.

However, the Philippine Atmospheric Geophysical and Astronomical Services Administration (Pagasa) said in its 8 a.m. bulletin that Signal No. 3 remained up over the southern portion of Cagayan (Peñablanca, Tuguegarao City, Enrile, Solana, Iguig and Tuao), Isabela, Quirino, Nueva Vizcaya, Kalinga, Mountain Province, Ifugao, the southern portion of Abra (Malibcong, Licuan-Baay, Sallapadan, Daguioman, Bucloc, Boliney, Tubo, Luba, Manabo, Bucay, Villaviciosa, Pilar, San Isidro and Peñarrubia), Benguet, the northern and central portions of Aurora (Dilasag, Casiguran, Dinalungan, Dipaculao, Maria Aurora and Baler), the northern portion of Nueva Ecija (Carranglan, Lupao, San Jose City, Pantabangan, Guimba, Santo Domingo, Talavera, Llanera, Rizal, Bongabon, Talugtug, Science City of Muñoz, Cuyapo and Nampicuan), the northern portion of Tarlac (Mayantoc, San Clemente, Camiling, Santa Ignacia, Gerona, Paniqui, Moncada, San Manuel, Anao, Ramos, Pura and Victoria), the northern portion of Zambales (Candelaria, Santa Cruz and Masinloc), Pangasinan, La Union, and the central and southern portions of Ilocos Sur (Cervantes, Quirino, Sigay, Suyo, Alilem, Sugpon, Tagudin, Santa Cruz, Salcedo, Gregorio del Pilar, San Emilio, Lidlidda, Burgos, San Esteban, Santiago, Banayoyo, Galimuyod, City of Candon, Santa Lucia, Nagbukel, Santa Maria and Narvacan) in Luzon.