A Category Four cyclone is hitting Australia's remote northwestern coast with strong winds and heavy rains.
Just last week, a major cyclone battered Australia's east coast.
The cyclone, with forecast winds of 155 miles an hour, is expected to take several hours to pass over land.
Western Australia's Pilbara coastline has few major towns, but there are many large mining complexes in the area.
Operations at a major iron ore port have been shut down and there have been some evacuations.
Glenda is the sixth cyclone to threaten the Western Australia coast during the current cyclone season, which runs from November to April.