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BOM forecasts rain and storms for Brisbane and southern Queensland, falling temperatures in the north

Wednesday May 5, 2021 - 04:20 EST
ABC image
Lightning seen from Moggill in western Brisbane on Tuesday night. - ABC

Rain is continuing to fall along the south-east Queensland coast from south of Fraser Island to the border, in the wake of late-night storms that brought heavy downpours to Boonah and Logan.

Bureau of Meteorology (BOM) forecaster James Thompson said overnight storm activity was severe.

"Fifty-one millimetres [of rain] in half an hour overnight at Forestdale [in Logan] and then also some severe storms this morning out towards Oakey and Dalby as well," Mr Thompson said.

"Pretty active weather pattern today, but becoming much more stable through tomorrow."

Mr Thompson said today would be "sort of like a Melbourne storm day where we could get hail".

He said it was due to a "really cold air mass" above the region.

Mr Thompson said the storm threat had temporarily eased by about 7:30am, but that storms could redevelop.

The risk of hail was highest in the Darling Downs and Granite Belt, and also in Wide Bay and the Burnett regions.

"There's the risk of large hail, as well as accumulations of small hail [and] the risk of heavy rainfall and damaging wind gusts," he said.

Wivenhoe Dam, the region's largest water storage, received just 5mm of rain overnight. It's currently at 41.4 per cent of capacity. 

Thunderstorm activity is expected to clear across the state by tomorrow.

The weather bureau said some showers were still possible into Thursday for the south-east coast.

Mr Thompson said cool and dry conditions were forecast to spread across the interior, southern and central parts of the state with the coolest mornings yet to come for the tropics.

"Some towns may reach their lowest minimum of the year so far, especially across the central and tropical coasts, with Mackay forecast to dip below 15 degrees [Celsius], and Cairns forecast to dip below 19 degrees Friday morning," he said.

The first dam-filling rain to fall in several years

Meteorologist Pieter Claassen said overnight a large amount of small hail fell in the Boonah area, west of the Gold Coast, along with 40 millimetres of rain in half an hour.

In the drought-declared South Burnett Region, Nanango dairy farmer Illya Childs received 40mm in just a few hours.

"It really belted down, but it's good rain and we didn't expect it at all either," he said.

"We were expecting maybe 2mm or something.

"The way it has been the last few years, any rain is unusual."

Mr Child's family-owned dairy farm has struggled through years of drought, and this downpour was the first dam-filling rain to fall in several years.

"We've had such a rainfall deficit over the last few years that we need a real good season to get the creek running into the bores again," he said.

"We're just starting to plough for the winter crop, and this makes it look real good."

Near Crows Nest on the Darling Downs, Bruce Woolley said his property received 18mm of "desperately needed" rain.

"We woke up about six o'clock this morning to some thunder and lightning," he said.

"There was a lot of hail at the time and when I looked at the tanks they were actually overflowing, not because they were full but because the water was coming down at such a rate that it couldn't flow into the tanks easily enough."

He said there had been no damage from the hail and he was making the most of the weather.


© ABC 2021

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