On its official account on Twitter, the Philippine Atmospheric, Geophysical and Astronomical Services Administration said that heavy to intense (15.0-30.0 millimeters/hr) rains with occasional torrential (more than 30.0 mm/hr) rains over Caloocan, Malabon, Navotas, Valenzuela, Manila, Pasig, Pasay, Taguig, San Juan, Mandaluyong, Marikina, Makati and Quezon City within the next two hours.
The alert was raised at 3:30 p.m.
The state-run weather bureau also warned residents in high-risk areas to take precaution against flood or landslide.
Pagasa said that torrential rainfall which measured 30-50 mm/hr was recorded over Manila, Mandaluyong, Pasig, and San Juan over the last hour. Likewise, heavy to intense rains (15-25 mm/hr) was recorded over Pasay, Marikina, Quezon City, North Caloocan, Taguig and Makati while moderate to heavy rainfall (7.5-15.0 mm/hr) over the same period, Pagasa said.
Pagasa earlier lifted the warning alert shortly before noon.