Source: Bureau of Meteorology

For people in parts of Greater Perth area.

Issued at 9:13 pm Saturday, 1 June 2024.

Giant hail possible over the far southern Perth metro.

The Bureau of Meteorology warns that, at 9:15 pm, a VERY DANGEROUS THUNDERSTORM likely to produce giant hailstones was detected near waters west of Falcon and waters west of Dawesville. This thunderstorm is moving towards the southeast. It is forecast to affect Dawesville and West Pinjarra by 9:45 pm.

Other severe thunderstorms likely to produce damaging winds and large hailstones were detected near waters west of Mandurah, waters west of Dawesville and waters west of Coogee. These thunderstorms are moving towards the southeast.

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 there is flooding, create your own sandbags by using pillow cases filled with sand and place them around doorways to protect your home.
* If boating, swimming or surfing leave the water.
* Do not drive into water of unknown depth and current.
* Slow down and turn your headlights on.
* Be alert and watch for hazards on the road such as fallen power lines and loose debris.