High Wind — Lower Yukon and Innoko Valleys, Alaska

2025-10-12 · Lower Yukon and Innoko Valleys, Alaska

Event narrative

The Shageluk Airport AWOS (PAHX) measured sustained south-southwest winds of 38 mph gusting to 52 mph at 0640AKST on October 12th. Peak winds were recorded at 0702AKST, with sustained speeds of 43 mph gusting to 66 mph. Twenty miles to the west, the Anvik Airport AWOS (PANV) measured a wind gust of 56 mph at 0525AKST. Thirty-two miles to the south-southeast of Anvik, the Holy Cross AWOS (PAHC) recorded a wind gust of 58 mph at 0502AKST. In the surrounding area, KSKO Radio reported that high winds downed numerous trees onto power lines, leaving many areas without power.

Wider weather episode

Ex-Typhoon Halong brought high winds and severe coastal flooding to the West Coast of Alaska from October 11th to 13th. The storm caused severe coastal flooding in the Kuskokwim River Delta and high water levels extending north to the Yukon River Delta. These coastal areas all reported high wind gusts near or upwards of 70 to 80 mph. Inland areas as well as the Eastern Norton Sound saw impacts from damaging winds, with gusts upwards of 50 to 60 mph, causing damage to roofs and siding, downed trees, and damaged power lines leading to outages. Significant wave activity on the Koyukuk River near Huslia damaged, swept away, or sank several boats.

Source: NOAA Storm Events Database, event_id 1296688. Narrative written by the NWS forecast office that issued the report.