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Gumleaf
September 28th, 2016, 03:36 AM
http://www.9news.com.au/national/2016/09/28/05/40/south-australia-braces-for-one-of-the-most-extreme-weather-systems-in-decades


5:23pm September 28, 2016


Power is out across the entire state of South Australia after fierce storms triggered widespread blackouts.

Adelaide's CBD has been plunged into darkness, with all traffic lights down.

Traffic lights are down across Adelaide.

SA Power has listed more than 20,000 properties that have been left without power, but it is believed the entire state is experiencing blackouts.

Adelaide Airport, the Adelaide Arcade and 9NEWS studios are among those relying on backup generators.

The severe weather system reached Adelaide at around midday local time, with 100mm of rain expected in the Adelaide Hills.

A severe thunderstorm warning was issued for Eastern Eyre Peninsula, Flinders and parts of the Yorke Peninsula, Mid North, North West Pastoral and North East Pastoral districts, with winds of up to 140km/h predicted.

Lightning struck a tree in Myrtle Bank, causing it to fall on a home on Auburn Avenue.

An earlier severe thunderstorm warning for the Lower Eyre Peninsula and West Coast districts has been cancelled.

Almost 18,000 State Emergency Service and firefighting workers and volunteers were placed on standby, with a team from Western Australia also called in to lend a hand.

The RSPCA has urged pet owners to look after their animals in the storms.

The Bureau of Meteorology said the extent of the low pressure system was unusual.

"This depth of the low, this close to the coast, is very damaging," BoM SA director John Nairn said.

"It's a very significant event for South Australia. It's very rare."

SA Police has urged drivers to be wary of floodwaters, particularly in The Mount Lofty Ranges from this afternoon.

Winds are expected to average about 90km/h, whipping up ocean waves to more than 10 metres, but gusts of up to 140km/h are possible for the Eyre Peninsula, according to Weatherzone.

"In terms of winds… and widespread lightning and thunder, it could be one of the worst storm systems in decades," Weatherzone senior meteorologist Jacob Cronje told 9news.com.au.

The last time such severe winds hit the state was in 1964, and earlier record winds drove the HMAS Barcoo ashore in 1948, The Advertiser reports.

"It's a complex low pressure system associated with a cold front and trough," Mr Cronje said.

Gusts of 120km/h to 140km/h could sweep the western margins of the Eyre Peninsula and sustained winds of 70km/h are likely, with the strongest winds likely to occur tomorrow morning, he said.

Gusts of 90km/h to 120km/h could batter the wider Adelaide region this evening, Mr Cronje said, and Kangaroo Island will also be affected.

"Exposed coastal regions and peninsulas are at risk for those wind gusts, the most severe of which will likely be along the Eyre Peninsula," Mr Cronje said.

Winds will also be strong in the inland pastoral regions, which could experience gusts up to 90km/h, he said.

Large amounts of lightning and thunder have been forecast, with the North-East Pastoral regions potentially "covering with lightning", Mr Cronje said.

"There's a high risk of thunderstorms along the east coast of SA today," he said.

"Stormy, windy wet – there's a strong risk of fallen trees… and powerlines."

Flooding could be a problem, with rainfall of up to 20mm forecast for "everything east of the York Peninsula" up to midnight tonight and further falls of between 30mm and 40mm tomorrow, Mr Cronje said.

The winds and thunder should start to ease late tomorrow, but the rain will likely continue until Friday.

State Emergency Services have distributed 43,000 sand bags across both metropolitan and regional areas in preparation for likely flooding.

SES chief officer Chris Beattie said power lines will undoubtedly fall and there may be long outages for homes and businesses.

Weather troubles are also expected to continue for flood-affected parts of Victoria and New South Wales, with the system expected to track into Victoria tomorrow and NSW set to receive more rain.

"They probably won't get the massive amounts of lightning, but their big concern is rainfall," Mr Cronje said.

For a full list of SA weather warnings, visit the BoM website.

With AAP.

© Nine Digital Pty Ltd 2016

Paraxiom
September 30th, 2016, 04:10 PM
!

Hope this situation has abated relatively quickly, this is a new sort of event for me.

Amethyst Rose
September 30th, 2016, 05:51 PM
Holy cow!! The weather is going at Australia with a vengeance! I really hope things settle down soon.

Barbara.
September 30th, 2016, 06:40 PM
Wow such harsh weather. Is this normal for this area, this time of year? I hope things calms soon and all is well.

Uniquemind
October 3rd, 2016, 01:08 AM
Didn't Queensland flood Australia back in 2012-13?

I vaguely remember extreme flooding then for Aussie's.

Extreme weather across the entire globe has happened a lot, France also had floods too, and I suspect it's all part of global warming.

This might be the new normal every 3-5 years, God forbid, annually it would be impossible to rebuild.