Why Cagayan Is Typhoon-Exposed
Cagayan sits at the northern tip of Luzon, with its coastline exposed to both the Pacific Ocean and the Babuyan Channel. Its position along the primary typhoon corridor entering the Philippines from the Northwest Pacific Basin means it is often among the first provinces to experience landfall from storms tracking westward into the Philippine Area of Responsibility.
According to the Joint Typhoon Warning Center, the Northwest Pacific Basin sees an average of 26.6 typhoons and tropical cyclones each year, with activity peaking between July and November, the same window Cagayan sees its highest storm frequency.
Source: JTWC Annual Tropical Cyclone Report.
Economic Risk from Typhoons in Cagayan
Modeled loss data from the World Bank's Philippines Catastrophe Risk Assessment (2018), developed with AIR Worldwide using historical and simulated storm catalogs.
On a long-term average basis, Cagayan is expected to incur 3.4 billion PHP per year in losses to public and private assets from typhoons and earthquakes combined. Over the next 50 years, Cagayan has a 40% chance of experiencing losses exceeding 37.3 billion PHP, and a 20% chance of exceeding 52.6 billion PHP.
Typhoons account for the large majority of Cagayan's disaster-related economic loss, roughly 14 times greater on average than losses from earthquakes.
Private Assets
253 billion PHP
86% of total asset replacement value
Public Assets
40 billion PHP
14% of total asset replacement value
Source: World Bank / GFDRR, 2018. Asset values as of 2015.
Modeled Typhoon Loss by Return Period
A return period estimates how often a loss of a given size is likely to occur. A 100-year return period means that scale of loss has roughly a 1% chance of happening in any given year.
| Exceedance Probability | Return Period | Direct Loss (PHP Billions) | % of Asset Value | Emergency Loss (PHP Billions) |
|---|---|---|---|---|
| AAL | - | 3.2 | 1.1% | 0.5 |
| 10.0% | 10 years | 8.3 | 2.8% | 1.5 |
| 3.3% | 30 years | 18.4 | 6.3% | 3.4 |
| 2.0% | 50 years | 25.6 | 8.8% | 4.7 |
| 1.0% | 100 years | 37.3 | 12.7% | 6.6 |
Emergency loss represents an estimate of the loss the national government may sustain from relief and recovery efforts, calculated as a proportion of direct loss. Source: World Bank / AIR Worldwide, 2018.
Cagayan vs. Neighboring Provinces
Average annual loss from typhoons and earthquakes, compared across Cagayan and its neighboring provinces. Figures for neighboring provinces are approximate, drawn from the source chart rather than exact labeled values.
Cagayan carries the highest combined typhoon and earthquake average annual loss among its immediate neighbors, ahead of Isabela and well above Kalinga, Apayao, and Batanes. Source: World Bank / AIR Worldwide, 2018.
Typhoon Safety Resources for Cagayan
General safety guidance applies to Cagayan residents. See PAGASA's Signal Warning System for current wind threat levels by area.
π© Check Your PSWS Signal
Understand what each PAGASA wind signal number means for expected impact in your area.
View Signal Warning System βπ General Safety Tips
Preparedness steps to take before and during a typhoon, applicable across the Philippines.
View Safety Tips βPeople Also Ask About Typhoons in Cagayan
How much does Cagayan lose to typhoons each year?
On a long-term average basis, Cagayan incurs about 3.2 billion PHP per year in direct losses to public and private assets from typhoons alone, according to World Bank and AIR Worldwide modeling. Typhoons account for roughly 93% of Cagayan's combined typhoon and earthquake losses.
Why is Cagayan exposed to typhoons?
Cagayan sits at the northernmost tip of Luzon, facing the Pacific Ocean and the Babuyan Channel, directly along the typhoon corridor entering the Philippines from the Northwest Pacific Basin. Its position often puts it first in line for storms making landfall in the Philippine Area of Responsibility.
What is Cagayan's worst-case typhoon loss scenario?
At a 100-year return period, roughly a 1% chance in any given year, Cagayan could see direct typhoon losses of up to 37.3 billion PHP, equal to about 12.7% of the province's total asset replacement value.
Are typhoons or earthquakes a bigger risk in Cagayan?
Typhoons are by far the larger risk. Cagayan's average annual loss from typhoons is about 14 times greater than its average annual loss from earthquakes, 3.2 billion PHP versus 0.2 billion PHP.
How does Cagayan compare to other nearby provinces for typhoon risk?
Cagayan carries the highest combined typhoon and earthquake average annual loss among its neighbors in the Cagayan Valley region, ahead of Isabela and well above Kalinga, Apayao, and Batanes.
What percentage of Cagayan's assets are at risk from typhoons?
Cagayan's total asset replacement value is about 293 billion PHP, of which 86% (253 billion PHP) is private property and 14% (40 billion PHP) is public infrastructure. At a 100-year return period, modeled typhoon losses could reach about 12.7% of that total value.
Economic risk data sourced from: World Bank, UK Aid, GFDRR, and the Philippines Department of Finance, Province Risk Profile: Cagayan, Philippines Catastrophe Risk Assessment and Modeling, January 2018, with technical modeling by AIR Worldwide. General typhoon information sourced from PAGASA and the Joint Typhoon Warning Center. β Back to Typhoon Hub