Office of Meteorology shoots down NSW Premier Dominic Perrottet’s ‘one in 1,000 year’ flood claim

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An expert has dismissed the New South Wales premier’s claim that the state’s wilderness hasn’t been seen since the year 1022.

Dominic Perrottet raised eyebrows on Tuesday when he described the storm as a “one-in-1,000-year event”, with the line echoed by several media outlets to describe the urgency of the ongoing flooding.

For more on the office’s response to the Prime Minister’s request, watch the video above

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However, it is understood that Mr Perrottet drew inspiration from Lismore Town Council’s 2014 Lismore Floodplain Risk Management Plan, which includes projections of how often various levels of flooding were likely to occur. be achieved.

He suggests that 13.4m is the likely maximum flood level for a flood every 500 years, and a flood level of 16m represents a flood every 100,000 years.

Flood waters in Lismore reached the highest level on record on Monday – 14.4 million.

WednesdaySunrise Co-host David Koch on Wednesday asked Bureau of Meteorology senior meteorologist Sarah Scully “where the hell” Mr. Perrottet got the information for the claim.

“You would have to go back to Magna Carta to try to make that judgment,” he said.

Ms Scully replied: ‘He didn’t get it from us.’

Dominic Perrottet erroneously stated that the state was experiencing a “once in 1000 year event”. Credit: Getty Images

Although not the worst storm in a millennium, Ms Scully said the wild weather had caused “devastating flooding” and warned more rain was on the way.

“More showers and storms are forecast tomorrow and towards the end of the week, with the potential for severe storms with heavy rain and damaging wind gusts as well,” she said of the northern floods. of New South Wales and South East Queensland.

Greater Sydney is also expected to be hit with dangerous showers from midday on Wednesday.

“We expect the intensity of showers and precipitation to increase throughout the day and continue into tomorrow,” Ms Scully said.

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