“We must therefore brace ourselves for the possible effects of a typhoon of this magnitude,” Executive Secretary Salvador Medialdea said in a statement. The storm became a super typhoon Tuesday local time Strong winds and heavy rainfall that could trigger landslides in the mountainous region of the northern island of Luzon. “The area around the center will have extreme damage from the winds as well as a significant storm surge,” meteorologists warned. Areas in central and northern Luzon are in line for a potentially historic storm. Manila would still be at-risk for heavy rains and strong winds. Flooding, landslides as well as damaging winds will be the main threats in the Philippines. The Philippines typically sees as many as 20 tropical cyclones per year, including typhoons as well as weaker tropical storms.