As a teenager she won the bronze medal at the 1985 European Junior Championships. Storp represented West Germany, and finished behind two East Germans Bettina Libera and Ilke Wyludda. The next year she won the silver medal at the first edition of the World Junior Championships, again sharing the podium with two East Germans Heike Rohrmann and Ines Wittich. The same year she competed at the 1986 European Championships for seniors, finishing eleventh in the shot put and tenth in the discus throw. She would not compete on top level in discus throw after this.