Overview
- The Japan Meteorological Agency warned of violent snow, powerful winds and high waves in northern Japan and Hokuriku through Thursday, citing a rapidly deepening low-pressure system.
- Forecasts called for maximum sustained winds up to 23 m/s in Hokkaido with gusts to 35 m/s, and wave heights of 5–6 meters across northern seas.
- JR Hokkaido suspended about 90 train services, and roughly 900 people spent the night inside New Chitose Airport after earlier flight cancellations.
- The Sapporo District Meteorological Observatory said winds would strengthen into early Thursday in parts of northern Ishikari and urged continued caution.
- The Government’s Earthquake Research Committee raised the 30-year probability of a magnitude 7.8–8.5 Nemuro-oki earthquake from about 80% to about 90%.