LOOK: Areas with heavy rainfall in next 4 days

MANILA, Philippines — United Kingdom's national weather service has released a map showing the areas in the Philippines that will experience heavy rainfall this week.

In his Twitter account, Project NOAH Executive Director Mahar Lagmay shared a map of the Philippine archipelago, which showed some areas in red.

Lagmay said these areas will experience heavy rainfall (100 millimeters accumulated in 24 hours) in the next four days.

Areas that will experience heavy rainfall in the next 4 days due to #GlendaPH according to UK Met Office. pic.twitter.com/fYhGNrkzkW

— Mahar Lagmay (@nababaha) July 15, 2014

According to the Philippine Atmospheric, Geophysical and Astronomical Services Administration's (PAGASA) weather bulletin issued at 2:30 p.m., Glenda was last located at 60 kilometers north northeast of Catarman, Northern Samar or 110 kilometers east southeast of Legazpi City, Albay.

Glenda has intensified slightly and is now packing with maximum sustained winds of 130 kilometers per hour (kph) near the center and gusts of up to 160 kph.

PAGASA said Glenda is expected to move west at 24 kph.

Moderate to intense rainfall amount (7.5 to 20 millimeters per hour) is also expected within the 500-kilometer diameter of the typhoon.

Glenda is expected to make landfall over the Albay-Sorsogon area this afternoon then cross Albay towards Southern Luzon.

It would be in the vicinity of Metro Manila by tomorrow morning and will exit the Luzon landmass through the Zambales area by afternoon. -Louis Bacani