Wild supercell storms ahead over spring and summer for Australia’s east coast, BOM warns

Monster supercell storms, intense rainfall and flooding could hit anywhere, anytime in coming, ‘really loading the dice’ for more unpredictable, extreme weather for Australia’s east coast, the Bureau of Meteorology (BOM) has been warned for months.

It comes after unexpected severe storms caused havoc on Queensland’s Gold Coast and its hinterland on Friday morning, dumping more than 300 millimeters of rain.

The super cell system, triggered by a low-pressure system off the coast, hit in the dark of the night, triggering landslides, flooding, rescues and evacuations.

BOM senior meteorologist Kimba Wong said forecasting the type of weather system was a “notoriously” difficult task.

“We did have … messaging … out that the chance of heavy rainfall would be possible on the Gold Coast region during this period,” Ms Wong said.

“It did look like the main risk would be northern New South Wales but just overnight we did see that low developing a little bit further north and concentrating those higher falls over the Gold Coast region.

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