Natural Disaster Risk in Allyn

Natural Hazard Profile: Allyn, Washington

Allyn, in Mason County, is a town of roughly 4,300 residents situated in the Pacific Northwest. Its oceanic climate brings mild, rainy winters west of the Cascades and semi-arid conditions to the east, and in particular a critical wildfire period in eastern Washington each summer. These conditions collectively define the natural hazard environment that Allyn residents and property owners must navigate.

Allyn's overall natural disaster risk is rated 5.5/10 (Moderate) by FEMA's National Risk Index. The threat of tsunami inundation tops the local coastal risk profile, requiring residents in low-lying areas to maintain awareness of evacuation routes and warning systems. Secondary hazards include earthquake and landslide.

Within Washington, Allyn's risk is, near the 5.8/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Mason County identifies tsunami as the foremost hazard, followed by earthquake and landslide. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a moderate risk rating, Allyn residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for tsunami is recommended.