Olaguera et al shear line study
This HIMAWARI8 satellite image for January 16, 2017, shows cold cloud tops and deep convection attributed to a shear line, indicated by the white dotted line. Shear lines account for up to 20% of extreme rainfall days during the Philippine northeast monsoon season from November to February. SOURCE: Olaguera et al., 2025.
Technology

Ateneo, Manila Observatory track down elusive rain-triggering ‘shear lines’

Danika Geronimo, Ateneo de Manila University Research Communications Much of the heavy rains that hit the Philippines during the Amihan northeast monsoon season between November