(Eagle News) — The Philippine Atmospheric Geophysical and Astronomical Services Administration has announced the onset of the northeast monsoon. According to PAGASA, this was based on several observed meteorological conditions. For the past several days, PAGASA said strong to gale-force northeasterly winds have prevailed over Northern Luzon due to the strengthening of the high-pressure system over Siberia. A gradual cooling of the surface air temperature over the northeastern part of Luzon has also been observed. […]