A “convergence zone” bucketed down heavy rain on Brisbane and the surrounding areas in southeast Queensland on Tuesday, as the Bureau of Meteorology warns of possible flash flooding.
A mammoth system developed north of Bribie Island around 8:30am and unleashed 65mm of rainfall at Banksia Beach in just one hour.
Some parts of Brisbane experienced similar showers as the system slowly tracked south, and this included Eagle Farm which recorded 49mm in a span of one hour during early morning.
According to the weather Bureau’s forecaster Matt Marshall, the system was huge but slow moving, meaning it increased the possibility of flash flooding as it crossed over the region.
“What’s happening meteorologically is what’s called a convergence zone, two large air masses colliding which leads to large, slow-moving rainfall areas,” he told stormassist.com.au
“So it’s heavy and it’s moving slowly so it takes a long time to clear from an area, meaning a lot of rain falls over a long period.
“It’s not like a typical summer storm which rages and then clears quite quickly, this is very slow moving.”
Flash flooding was experienced on Didswith and Didsbury Streets in East Brisbane after 10am, as water flooded roads and reached the wheel wells of cars parked along the streets.
Mr Marshall stated that the rains are set to ease and contract inland and south later on Tuesday, though showers are forecast for the rest of the day.
The storm hit so hard, disconnecting power to around 2000 households in southeast Queensland on Tuesday morning.
The area near Albany Creek in north of Brisbane was the worst affected after nearly 1,500 homes and businesses lost electricity.
The weather also seriously affected the morning commute, as delays of up to 50 minutes were experienced on various arterial roads including the Gateway Mororway northbound and the Bruce Highway southbound from Morayfield.
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