Winds gusting up to 229 kilometres per hour were measured overnight in the Scottish Highlands, and many roads and bridges were closed. All train services in Scotland were suspended; Network Rail spokesman Nick King said that "there's too much debris and too much damage to equipment to continue".
A truck driver was killed and four people were injured in an accident west of Edinburgh when high winds toppled his vehicle onto several cars, police said.
Glasgow's central rail station was evacuated after debris smashed glass in the roof, though no one was hurt. Weather forecasters predicted winds gusting up to 140 kilometres per hour on Germany's North Sea coast. Britain's Environment Agency said tidal surges could bring "significant" coastal flooding, and the Thames Barrier was closed to protect London.
Ferry operators cancelled services to some of Germany's North Sea islands and the country's national railway, Deutsche Bahn, warned of likely disruption across a swathe of northern Germany.
National carrier KLM cancelled dozens of flights to European airports as a precaution.
The German Weather Service said the storm front, which was gathering strength as it headed eastward from the Atlantic Ocean off Greenland, would also bring polar air to Europe meaning that it could bring snow to low-lying areas.