Olwyn weakened slightly after landfall, but continued to track south-southeast, bringing heavy rain and strong winds to coastal areas.
In the days following the cyclone, emergency crews worked to assess the damage and provide assistance to those affected.
The cyclone caused widespread flooding and erosion and damaged coral reefs and mangrove forests.
Despite the extensive damage caused by Cyclone Olwyn, the people of Western Australia showed great resilience in the aftermath of the storm.
[1] Olwyn began as a weak tropical low in the monsoon trough off the coast of Western Australia on March 8, 2015.
It continued to track south while slowly strengthening and was upgraded to a tropical cyclone at 6:00 AM UTC (2:00 PM WST) on March 11.
[4] Moderate property damage occurred at nearby Exmouth, with several houses being inundated with floodwater after 141.8 mm (5.58 in) of rain fell in 24 hours.
[1] Damage was more severe further south at Carnarvon where most houses are not built to cyclone standards, unlike in Exmouth.
[5] Olwyn passed over the town at category 3 status, unroofing and severely damaging multiple houses, while many sheds and outbuildings were totally destroyed.
Perth recorded 12.8 mm (0.50 in) of rain and cooler temperatures as Olwyn's remnants moved into the Southern Ocean.