A third person has died in Sweden after a powerful winter storm swept across Nordic countries, causing travel disruption and power outages.

Axar.az informs, citing BBC, Sweden's meteorological agency issued alerts for strong winds for large parts of the northern half of the country as Storm Johannes hit.

One man in his 50s died after being struck by a tree at the Kungsberget ski resort in the country's south, local media and police reported. Further north, regional utility company Hemab said one of its employees died in an accident while out working.

Police also said a man in his 60s was taken to hospital after being hit by a tree while working in a forest in Hofors, east-central Sweden, and later died of his injuries.