Storm over Mont Blanc (German: Stürme über dem Mont Blanc) is a 1930 German film written and directed by Arnold Fanck and starring Leni Riefenstahl, Sepp Rist and Ernst Udet. The film is about a man who works alone at the Mont Blanc weather station gathering data. His only contact with the world below is via Morse code signals. He is joined by a woman friend, who helps him survive a terrible storm over the mountain. Filmed on location in Arosa, Switzerland, Babelsberg Observatory in Potsdam, Germany, and Mont-Blanc in Chamonix, France, the film is notable for its dramatic mountain footage and depictions of a violent snow storm. Storm over Mont Blanc premiered in Dresden, Germany on 25 December 1930.