 Typhoon Imbudo was the strongest typhoon to strike Luzon since Typhoon <unk> 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 <unk> <unk> . Damage was heavy in the region , totaling <unk> billion ( PHP , $ 40 million USD ) , and over 80 @,@ 000 people were displaced by the storm . Damage was heaviest in Isabela , where damage was estimated at <unk> billion ( PHP , $ 35 million USD ) , mostly to crops and killed livestock . There , winds and rain knocked down trees and caused a province @-@ wide power <unk> . 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 were 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 . 
