It also functioned as a weather ship and pilot station. They renamed her "Polarfront II", and used her as a weather ship. She was built for the Kriegsmarine as the weather ship and icebreaker Externsteine. Her primary post-war duty was serving as an ocean station weather ship. Hurricane-force winds of were recorded at a weather ship just to its southeast. The latter was a weather ship situated about north of the Azores. She then sank the "Arakaka", a weather ship, on the 22nd, east of St. Johns. For a time, there was a Dutch weather ship stationed in the Indian Ocean. MS "Polarfront" was a Norwegian weather ship located in the North Atlantic Ocean.