Source: Bureau of Meteorology

For people in parts of Greater Perth area.

Issued at 1:24 pm Tuesday, 16 January 2024.

A VERY DANGEROUS STORM IS OCCURRING NEAR MUNDARING.

The Bureau of Meteorology warns that, at 1:25 pm, a VERY DANGEROUS THUNDERSTORM likely to produce intense rainfall that may lead to dangerous and life-threatening flash flooding, damaging winds and large hailstones was detected near Gidgegannup and Mundaring. This thunderstorm is moving towards the south. It is forecast to affect Kalamunda, Roleystone and Walliston by 1:55 pm.

Lake Chittering observed 28 mm in 30 min to 12:35 pm

Millendon reported a 94 km/h wind gust at 12:51 pm

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.
* If it is raining heavily and you cannot see, pull over and park with your hazard lights on until the rain clears.