Tropical Cyclone Sean formed over the Indian Ocean off Western Australia, bringing record-breaking rainfall to the Pilbara region.
- The cyclone caused significant flooding, particularly affecting the Pilbara coastline, leading to extensive rescue operations.
- Karratha recorded a record 274mm of rain, prompting multiple flood warnings across Kimberley and Pilbara Districts.
- The cyclone disrupted operations at Rio Tinto’s East Intercourse Island port facility, potentially halting the operation of a railcar dumper for three to four weeks.