A tree that fell on an overhead line caused disruption to train traffic between Hamburg and Kiel and Flensburg on Thursday morning.
The report was received around 7:30 a.m., said a spokeswoman for Deutsche Bahn.
The overhead line on the route between Neumünster and Rendsburg had to be repaired.
There were delays.
Hamburg / Kiel - The low "Ignatz" brings violent gusts of wind to northern Germany on Thursday.
The German Weather Service (DWD) calculates wind speeds of 100 to 110 kilometers per hour from the west for Schleswig-Holstein and Hamburg.
Even short-lived tornadoes cannot be completely ruled out.
There are also heavy showers and thunderstorms in places.
dpa
