https://phys.org/news/2018-09-nasa-noaa-satellite-super-typhoon-mangkhut.html

The Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA) noted that the typhoon continues to threaten Northern Luzon.

On Sept. 13 at 11 a.m. local time (11 a.m. EDT), PAGASA noted that "the province of Catanduanes and Camarines Sur will experience the peripheral effects of Mangkhut within the next day and a half, bringing occasional rains and gusty winds. Possible inclusion to Tropical Cyclone Warning Signal (TCWS) #1over the provinces of Cagayan, Isabela, Aurora, Quirino, Pollilo Islands, Camarines Norte and Albay tomorrow morning (September 13)."