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Thunderstorm risk for Perth (cloned for SW 1343695678)
Thunderstorm risk for Perth (cloned for SW 1343695678)

There is the risk of a thunderstorm in the metropolitan area this morning with a cold front crossing the south-west coast, bringing showers which will continue through the day, according to the weather bureau website.

There will also be the risk of another storm tomorrow morning.

Showers will continue until Monday.

But the rain heading towards Perth this morning is expected to do nothing for July’s dismal rainfall figures.

Perth is on track to record its driest July in history, having seen just 27.8mm of rain up until today, with the greatest number of cold nights.

The average rainfall for the month is 169.6mm.

Although the winter drought is set to be broken today, rain that falls after 9am will not be registered in July’s total because it will be recorded as having fallen in the 24 hours to 9am on August 1.

So far this morning, 24.8mm of rain has been already dumped on Mandurah – the highest rainfall in the Perth metropolitan area.

Perth has recorded 1.4mm of rain and figures are expected to reach between 5 and 10mm today.

The Weather Bureau said the heavy falls in Mandurah suggested even more rain could fall this morning, with lighter showers expected later in the day.

“We’ve got a rain band sitting over the top of us at the moment, so we will be expecting those slightly higher falls,” a spokeswoman said.