MANILA, Oct. 28 (Xinhua) -- Tropical storm Cimaron has intensified to threaten the Central Luzon region of the northern Philippines, national weather bureau said on Saturday.

    The tropical storm was moving in a west northwest track at a speed of 17 kilometers per hour, according to a forecast by Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA).

    Cimaron was last spotted at 570 km east southeast of Virac, Catanduanes with maximum sustained winds of 95 km per hour and gustiness of up to 120 kph near the eye, the PAGASA said.

    Forecasters said it should be over Quirino Province, some 260 km to the northwest of Manila on Monday.

    The PAGASA said it may raise storm signals Sunday in the National Capital Region and several provinces. Residents in the areas where storm signals have been hoisted were warned against possible flashfloods and landslides.

    People were also advised to cancel their trips to Sorsogon and Eastern Samar, where major bus terminals and sea ports are located.