MANILA, Philippines — The Philippines will have generally fair weather on Friday, except in some parts of Northern Luzon due to the prevailing southwest monsoon, or habagat, according to the state weather bureau Pagasa (Philippine Atmospheric, Geophysical and Astronomical Services Administration).In its 5 a.m. weather bulletin, Pagasa forecaster Obet Badrina said that parts of Ilocos Sur, Ilocos Norte, Cagayan, Abra, Apayao, and Batanes will exp…