Medvinden is a plowed long-track skating rink on Storsjön in central Östersund.

Visitors to the ice can get from the Winter Park to Kungsgårdsviken.

Maintenance from staff and machines is not enough, weather and wind need to be right for safe and good ice.

Hear project manager Janne Carlsson explain the three most important factors for the tailwind to exist in the clip above.