The nation's chief weather specialist noted that Omar was "more powerful than Polly and [able to] induce monsoon rains over a wide area."[19] Omar ultimately affected northern Luzon, primarily the Cordillera Administrative Region, Ilocos Region, and the Cagayan Valley.[20] Across the country, the storm killed 11 people.[1] The typhoon destroyed 393 houses and damaged another 145,[20] leaving 1,965 people homeless.[1] Damage was estimated at ₱903 million ($35.4 million),[nb 4] much of it to agriculture.[20]