Northern Western Australia is on a tropical cyclone watch after a tropical low formed near the Kimberley Coast.

Rio Tinto has begun clearing iron ore ships from two Western Australian ports due to tropical cyclones, and that is impacting efforts to repair infrastructure damaged in a cyclone last month, it said on Tuesday.

Rio Tinto Group’s iron ore shipments could take a further hit this quarter after operations at two ports in Western Australia’s Pilbara region were hampered by tropical cyclones.

Two tropical cyclones off the coast of Western Australia have complicated Rio Tinto’s efforts to repair infrastructure damaged by a previous cyclone last month. The company said on Tuesday it had begun clearing iron ore ships from two Western Australian ports as the cyclones swell seas,