Source: Bureau of Meteorology

For people in South West and parts of Lower West, South Coastal and Great Southern districts.

Issued at 4:18 pm Wednesday, 8 August 2018.
Damaging winds and heavy rainfall expected southwest of Perth to Bremer Bay with the passage of a cold front overnight Wednesday and during Thursday.

Weather Situation:
A cold front will approach the Capes late Wednesday and reach Perth by early Thursday morning. The front will continue to move east during Thursday.

Thunderstorms and showers associated with the front may produce DAMAGING WINDS to 100 kilometres per hour that could cause DAMAGE TO HOMES AND PROPERTY. Damaging winds are expected to develop southwest of a line Busselton to Albany after 8 pm Wednesday evening, extending to southwest of a line Perth to Bremer Bay by 2 am Thursday morning, before contracting back to areas southwest of a line from Bunbury to Walpole after 8 am Thursday morning. In isolated areas southwest of a line Bunbury to Walpole, DANGEROUS GUSTS in excess of 125 kilometres per hour are possible and could cause SIGNIFICANT DAMAGE OR DESTRUCTION TO HOMES AND PROPERTY.

HEAVY RAINFALL that may lead to FLASH FLOODING is possible, with the period of heaviest rain expected to be from around midnight to 6 am Thursday morning.
A flood watch has been issued for the Central West, Lower West and South West Districts, for further details please refer to http://www.bom.gov.au/wa/warnings/
Tides will be higher than expected between Perth and Albany.

Locations which may be affected include Albany, Bunbury, Busselton, Collie, Mandurah, Manjimup, Margaret River, Mount Barker and Perth.

This is typical weather for this time of year but winds and heavy rain may cause damage to property and make road conditions hazardous.

The Department of Fire and Emergency Services advises that people should:
* If outside find safe shelter away from trees, power lines, storm water drains and streams.
* Close your curtains and blinds, and stay inside away from windows.
* Unplug electrical appliances and do not use land line telephones if there is lightning.
* If boating, swimming or surfing leave the water.
* Be alert and watch for hazards on the road such as fallen power lines and loose debris.
* Keep away from flooded drains, rivers, streams and waterways.
* Be careful of fallen trees, damaged buildings and debris.
* Be careful of fallen power lines. They are dangerous and should always be treated as live.
* Assess your home, car and property for damage.
* If damage has occurred take photos and contact your insurance company to organise permanent repairs.
* If your home or property has significant damage, like a badly damaged roof or flooding, call the SES on 132 500.