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Queensland weather: ‘Life-threatening’ flash flooding as super cell dumps 145mm of rain in two hours

The M1 has reopened after being cut by floodwaters for six hours while theme parks remain underwater after ‘life-threatening’ flash flooding hit parts of southeast Queensland during a 300mm rain deluge.

South East QLD hit by flash flooding after downpour

The M1 has reopened after being cut by floodwaters for six hours today while theme parks remain underwater after ‘life-threatening’ flash flooding hit parts of southeast Queensland during a wild 300mm deluge.

Though the wet and stormy conditions are not over as at 10.30pm on Saturday residents in parts of the Sunshine Coast, Wide Bay and Burnett regions are being told to prepare for thunderstorms with potentially heavy rainfall that may lead to flash flooding.

A severe thunderstorm warning was issued by the Bureau of Meteorology at 9.56pm as a band of thunderstorms develop over the southeast coast.

Areas that may be impacted by the storm include Maroochydore, Gympie, Noosa Heads, Maryborough, Nambour and Rainbow Beach.

Tewantin, near Noosa, has recorded 7.2mm of rainfall since 9.30pm.

The severe storm warning - which was issued during intense rainfall from the mega cell that extended from the Sunshine Coast down to the Gold Coast - was cancelled about 7am Saturday after an overnight downpour caused flash flooding on major roads.

VIDEO: MAN ROWS BOAT DOWN FLOODED GOLD COAST STREET

It dumped up to 145mm of rain in just two hours, causing widespread chaos across the Gold Coast and forcing the closure of the M1 at Helensvale from 6am.

SCROLL DOWN TO SEE HOW MUCH RAIN FELL IN YOUR AREA

The M1 flooded at Helensvale. Photo: 7 News Brisbane
The M1 flooded at Helensvale. Photo: 7 News Brisbane

The M1 reopened six hours later - just before midday - but gridlock will take a while to clear after motorists were diverted off the M1 onto service roads near the Movie World exit at Oxenford.

FULL LIST OF FLOOD-AFFECTED ROADS

Earlier, drivers reported it took more than one hour to make the usual 5-minute trip from Smith Street to the Oxenford exit.

Exit 49 at Pimpama was also closed after several motorists travelled the wrong way up the southbound on ramp to escape the gridlock.

At the height of the downpour, traffic cameras showed lines of cars pulled over on the side of the road, unable to get through floodwaters.

Helensvale - Flash flooding Pacific Highway M1 - Tamborine Oxenford Road Overpass Pacific Motorway closed Exit 57, Northbound diversion Exit 60. Southbound Diversion Exit 54.

Posted by South East Queensland UHF Emergency Service Team (SEQUEST) on Friday, 17 January 2020

In other parts of the M1 between Brisbane and the Gold Coast, the rainfall was so heavy motorists were forced to slow to half-speed, as visibility and flash flooding caused dramas.

Motorists are advised to avoid the area at all costs with severe flooding also forcing Gold Coast theme parks Dreamworld, WhiteWater World, Movie World and Wet n Wild to close today.

Photos show both parks underwater while residents in Southport have been spotted rowing boats down streets.

The Cunningham Highway between Tarome and Maryvale was also closed all morning due to flooding and was reopened at noon.

SCROLL DOWN TO SEE ROADS AFFECTED BY FLASH FLOODING

A severe storm causes chaos in southeast Queensland. Photo: Supplied
A severe storm causes chaos in southeast Queensland. Photo: Supplied

Please be aware that due to severe weather and flooding, Warner Bros. Movie World will be closed today for the safety of...

Posted by Warner Bros. Movie World - Gold Coast, Australia on Friday, 17 January 2020

The deluge has hit the Gold Coast the hardest with 145mm of rain recorded at Monterey Keys in just two hours and 86mm at Coomera Shores in one hour.

According to the weather bureau, parts of the Gold Coast has recorded 300mm overnight - triple the monthly rainfall.

Police were called to 52 incidents and two swift water rescues were performed.

Keebra Park at Southport was underwater after the overnight deluge. Photo: Andrew Potts
Keebra Park at Southport was underwater after the overnight deluge. Photo: Andrew Potts

A ute was swept away at Country Paradise Parklands on Beaudesert Nerang Road, Nerang and flood waters are to the rooves of cars on Ferry Road, Southport.

At Southport, the normally quiet Keebra Park was flooded with water, turning it into a river-like raging torrent.

“Our park has turned into a river, this is really scary,” one resident said.

Earlier, the Bureau of Meteorology warned that very dangerous thunderstorms were detected on the weather radar near Hope Island, South Stradbroke Island and Tallebudgera.

These thunderstorms were slow moving and hit the wide region from Coolangatta to Nerang, Numinbah Valley and Mount Tamborine..

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“Intense rainfall that may lead to dangerous and life-threatening flash flooding is likely,” the BOM warned.

The rest of southeast Queensland remained under a severe storm warning with the BOM warning heavy rainfall would continue for several more hours, leading to flash flooding.

Areas affected stretch from Coolangatta to Beenleigh, Cleveland, Point Lookout, Moreton Bay and Amity Point.

Mudgeeraba flooded. Photo: Matt Higgs
Mudgeeraba flooded. Photo: Matt Higgs

Already, 86mm of rain was dumped in one hour at Coomera Shores while 80-90mm was recorded at several locations around the southern Sunshine Coast, 70mm at Currumbin Creek and 69mm at Burleigh Waters.

ROADS AFFECTED BY FLASH FLOODING:

- Gold Coast Highway, Miami

- M1, Helensvale - both directions

- Cunningham Highway, Mount Edwards/Tregony

- Bermuda Street, Burleigh Heads

- Hardys Road, Bonogin

- Hungerford Road, Dynevor

- Baratta Street, Southport

- Torver Valley Road, Dutton River/Hughenden

- Glentor Prairie Road, Prairie

- Dalkeith Road, Dutton River

SEE FULL LIST OF FLOOD-AFFECTED ROADS

RAINFALL TOTALS SINCE 9AM FRIDAY:

Coolum - 132mm

Stoney Wharf Rd - 121mm

Picnic Point - 132mm

Mountain Creek - 152mm

Bundilla - 187mm

Meridan Way - 150mm

Sugarbag Road - 151mm

Bells Creek South - 140mm

Floods continue to rage in Mudgereeba

Bribie Island Quarry - 144mm

Moreton Island - 138mm

Alexandra Hills - 141mm

North Stradbroke Island - 164mm

Carbrook - 140mm

Steiglitz Wharf - 179mm

Kerkin Road - 186mm

Couran Point - 179mm

South Stradbroke Island - 143mm

Coomera Shores - 215mm

Monterey Keys - 223mm

Clagiraba Road - 145mm

Clearview - 266mm

Carrara - 299mm

Evandale - 292mm

Worongary Creek - 246mm

Burleigh Waters - 285mm

Tallebudgera Creek - 220mm

Mudgeeraba - 232mm

Neranwood - 203mm

Tallebudgera Creek Road - 239mm

Coolangatta - 200mm

Queensland Fire and Emergency Services advises that people should:

* Never drive, walk or ride through flood waters. If it’s flooded, forget it.

The wet weather is expected to stick around into today.
The wet weather is expected to stick around into today.

* Seek shelter, preferably indoors and never under trees.

* Avoid using the telephone during a thunderstorm.

* Beware of fallen trees and powerlines.

* For emergency assistance contact the SES on 132 500.

A large storm brings a heavy deluge of rain across southeast Queensland. Photo: BOM
A large storm brings a heavy deluge of rain across southeast Queensland. Photo: BOM

Originally published as Queensland weather: ‘Life-threatening’ flash flooding as super cell dumps 145mm of rain in two hours

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Original URL: https://www.couriermail.com.au/news/queensland/queensland-weather-lifethreatening-flash-flooding-as-super-cell-dumps-90mm-of-rain-in-one-hour/news-story/f916dca7e05b470d9d1c452dd3be3001