Typhoon Imbudo was the strongest typhoon to strike Luzon since Typhoon Zeb five years prior , and was the fifth storm in eight weeks to affect the country . The typhoon left widespread areas flooded for several days . Cagayan Valley was largely isolated after a bridge was damaged in Ilocos Norte . Damage was heavy in the region , totaling P2.2 billion ( PHP , $ 40 million USD ) , and over 80 @,@ 000 people was displaced by the storm . Damage was heaviest in Isabela , where damage was estimated at P1.9 billion ( PHP , $ 35 million USD ) , mostly to crops and killed livestock . There , winds and rain knocked down trees and caused a province @-@ wide power outage . Most trees less than three years old fell during the high winds . In Isabela province , the banana crop was almost entirely destroyed , and most of the corn and rice crops was heavily damaged . The high damage caused the gross regional product , or overall economy of the Cagayan Valley , to decrease by 0 @.@ 3 % than what would have happened without the typhoon .