This image released by the Pagasa shows the track of Typhoon Karen and the areas under typhoon signal warning. PAGASA IMAGE
Heavy rain will fall over Cavite, Batangas and Laguna early Sunday morning, the weather bureau said.
In its warning at 7 a.m., Pagasa raised the Orange Rainfall Warning over the three provinces saying these areas face potential flooding.
It also raised the Yellow Warning over Bataan, Tarlac, Rizal, Quezon, Bulacan and Nueva Ecija, which may experience flooding in low lying areas.
At the same time, light to moderate rain with occasional heavy rain is forecast for Metro Manila, Pampanga and Zambales.
Pagasa urged residents in these provinces to be alert and to monitor media and their surroundings for possible threats.
The warnings would be in effect for the next three hours starting 7 a.m. CBB/rga