Overview
- The German Weather Service issued overregional severe alerts for black ice, warning of a danger to life and limb and urging people to avoid driving.
- About 100 flights were canceled at Frankfurt Airport as crews deiced aircraft and cleared aprons under an intensified winter operation.
- Deutsche Bahn reduced speeds on key lines between Hannover–Frankfurt, Wolfsburg–Berlin and Cologne–Frankfurt, with regional outages in Hamburg and Lower Saxony and delays expected.
- North Rhine–Westphalia, Lower Saxony and Bremen shifted to distance learning, with further closures reported in parts of Hesse and Bavaria and exceptions on the East Frisian islands.
- A warm front crossed western urban areas overnight, and freezing rain is spreading east and southeast through Monday into Tuesday morning before conditions ease by midweek.