Overview
- DWD issued high‑level alerts for an overregional, storm‑like glatteis event as snow changed to freezing rain on deeply frozen ground.
- North Rhine‑Westphalia, Lower Saxony and Bremen switched to distance learning, with emergency care offered and school transport widely suspended.
- Frankfurt Airport canceled about 100 flights as de‑icing and runway clearing constrained operations, and passengers were urged to check statuses early.
- Deutsche Bahn reduced speeds on key corridors between Hannover–Frankfurt, Wolfsburg–Berlin and Cologne–Frankfurt, with regional train disruptions in Lower Saxony and Hamburg.
- Forecasters warned of significant ice accretion on vegetation and infrastructure as the risk zone moves from western regions toward the south and east.