Thunderstorms on way for millions with flash flooding as huge front moves across Australia


Australia’s capital cities are set to be drenched with heavy rain, thunderstorms and wild winds over the next few days which could lead to flash flooding and blackouts. 

The Bureau of Meteorology warned on Tuesday night large swathes of the country will see severe thunderstorms over the rest of the week – but they should clear by the weekend. 

Storms will likely peak on Thursday after a day of rain, but will make way for 25C sunshine in Sydney and 30C sunbaking weather in Brisbane.

Victorians will continue to endure wet weather until at least Tuesday next week, with 90 per cent chance of showers every day. 

‘In the first significant storm outbreak of the season, severe thunderstorm warnings are expected with flash flooding a particular risk,’ Bureau meteorologist Miriam Bradbury said.  

The next few days will see drenching rain over most Australian capital cities (pictured Bondi in August) 

The weather is caused by a low pressure system moving across central Australia to the east coast and dragging down humid air down from the tropics, she explained.  

‘The south east of South Australia, Victoria, central New South Wales and southern Queensland should see widespread and intense rain  on Wednesday,’ she said. 

The heaviest rain will be on the western slopes of the Great Dividing Range as the low pressure trough hit the mountains and is pushed upwards. 

‘Severe thunderstorms are likely with the risk of hail, damaging winds and heavy rainfall that could lead to flash flooding,’ Ms Bradbury warned. 

Rainfall in excess of 100mm is expected in this area between Wednesday and Friday – with rivers expected to break their banks and cause flooding in parts of NSW, Victoria and Tasmania. 

The Bureau of Meteorology warned there could be flash flooding strong winds and blackouts as the wild weather moves from central Australia and off the east coast (pictured, a woman walks in Sydney's Centennial Park)

The Bureau of Meteorology warned there could be flash flooding strong winds and blackouts as the wild weather moves from central Australia and off the east coast (pictured, a woman walks in Sydney’s Centennial Park)

The heaviest rainfall is likely to be on Thursday with Darwin in the tropics the only capital not getting soaked with rain

The heaviest rainfall is likely to be on Thursday with Darwin in the tropics the only capital not getting soaked with rain 

‘Rain and flash flooding can cause particularly hazardous driving conditions and strong winds with storms have the potential to bring down trees and power lines.’ 

Victoria’s northern high country, including Malee and Wimmera, are at risk of severe storms that could bring up to 50mm of rain, flash flooding, large hail and damaging winds of more than 90 kilometres and hour.

The major risks on Wednesday include flash flooding for north east and central Victoria, the Barwon River area and Otway Coast, meaning towns such as Mildura, Shepparton, Bendigo and Albury-Wodonga could be affected.

On Thursday the heavy rain will shift over the Great Dividing Range and drench Sydney, Brisbane and Melbourne while rain will also develop in over Perth.  

Darwin in the tropics will be the only state capital to avoid being soaked. 

‘Widespread three day rain totals of between 40 to 60 mm are expected in NSW, southern Queensland, Victoria and eastern Tasmania.’ 

Sydneysiders are in for wet weather for the rest of the week but skies will clear over the weekend

Sydneysiders are in for wet weather for the rest of the week but skies will clear over the weekend 

The Bureau warned there could be flooding particularly for town in Victoria and NSW on the western side of the Great Dividing Range (pictured: NSW in March)

The Bureau warned there could be flooding particularly for town in Victoria and NSW on the western side of the Great Dividing Range (pictured: NSW in March) 

The NSW storm season officially starts on Friday.

Emergency Services Minister David Elliott welcomed the delivery of a deployable Mobile Incident Command Centre to deal with any disasters.

‘It can be easily deployed to any location around the state, and further improves the NSW SES’ prompt co-ordination and response to natural disasters’, Mr Elliott said in a statement on Tuesday.

The SES is also getting new rescue vehicles, including six new ‘Unimogs’ which can operate in flood waters up to 1.2 metres.

The SES $56.4million fleet replacement program was on track to deliver 270 vehicles, 124 marine vessels and 95 trailers to some of the state’s most flood prone areas.

SES Commissioner Carlene York said her volunteers were preparing for a challenging storm season.

‘The difference between now and last year’s flooding is our dams are pretty full,’ she told Sydney radio 2GB on Tuesday.

‘We’ve had a lot of rain over the winter so the ground is pretty saturated … so it increases the risk of flash flooding.’

Forecasters said about 50mm of rain will fall over Sydney (pictured) between Wednesday and Friday

Forecasters said about 50mm of rain will fall over Sydney (pictured) between Wednesday and Friday 

A low pressure system moving east is causing the wet weather (pictured) battering much of the east coast

A low pressure system moving east is causing the wet weather (pictured) battering much of the east coast

This summer is expected to be wetter than usual particularly in the second half of the season as a La Nina develops (pictured, women walk at Bronte Beach in Sydney)

This summer is expected to be wetter than usual particularly in the second half of the season as a La Nina develops (pictured, women walk at Bronte Beach in Sydney)

In a positive the wild weather is set to ease by the weekend. 

Sydney will see a partly cloudy weekend with the mercury hitting maximums in the mid-20s on Saturday and Sunday but the sun will be out by Monday. 

Melbourne will be a little colder with highs around 21C and showers could stick around until Monday. 

Adelaide, Perth, and Hobart will also see some showers on Saturday and Sunday with maximums in the high teens. 

And Brisbane will get some summer-like weather for the weekend with fine skies and the mercury pushing 30C.  

Residents in western NSW have been urged to be prepared for minor flooding (pictured: NSW in March)

Residents in western NSW have been urged to be prepared for minor flooding (pictured: NSW in March) 

THE WEATHER IN YOUR CITY THIS WEEK

PERTH

Tuesday Partly cloudy 23

Wednesday A few showers Min 12 Max 23

Thursday Shower or two Min 13 Max 23

Friday Showers Min 13 Max 20 

Saturday Showers easing Min 11 Max 19

Sunday Few showers Min 12 Max 19

Monday Shower or two Min 10 Max 19

ADELAIDE

Tuesday: Shower or two .22

Wednesday: Showers. Min 12 Max 20

Thursday: Shower or two Min 12 Max 18

Friday: Partly cloudy. Min 10 Max 17

Saturday: Partly cloudy. Min 7 Max 23

Sunday: Showers easing. Min 11 Max 19

Monday: Shower or two. Min 10 Max 18

MELBOURNE

Tuesday: Late showers. 23

Wednesday: Rain. Min 13 Max 18

Thursday: Showers. Min 13 Max 20

Friday: Showers. Min 12 Max 17

Saturday: Showers easing. Min 12 Max 18

Sunday: Showers. Min 11 Max 21

Monday: Shower or two. Min 11 Max 18

HOBART

Tuesday: Late showers. 17

Wednesday: Shower or two. Min 8 Max 14

Thursday: Rain. Min 9 Max 15 

Friday: Showers. Min 11 Max 17

Saturday: Showers. Min 12 Max 17

Sunday: Shower or two. Min 11 Max 17

Monday: Shower or two. Min 10 Max 16

CANBERRA

Tuesday: Possible shower. 20

Wednesday: Showers, possible storm. Min 8 Max 16

Thursday: Showers, possible storm. Min 9 Max 18

Friday: Showers, possible storm. Min 8 Max 18

Saturday: Shower or two. Min 7 Max- 18

Sunday: Partly cloudy. Min 6 Max 20

Monday: Possible shower. Min 8 Max 19

SYDNEY

Tuesday: Mostly sunny 23

Wednesday: Showers increasing. Min 14 Max 22

Thursday: Shower or two. Min 15 Max 25

Friday: Shower or two: Min 14 Max 25

Saturday: Partly cloudy: Min 13 Max 23

Sunday: Partly cloudy: Min 13 Max 25

Monday: Mostly sunny. Min 15 Max 26

BRISBANE

Tuesday: Cloudy 21

Wednesday: Cloudy. Min 15 Max 23

Thursday: Showers, possible late storm. Min 16 Max 23

Friday: Showers, possible storm. Min 16 Max 26

Saturday: Partly cloudy. Min 15 Max 29

Sunday: Sunny. Min 14 Max 29

Monday. Mostly sunny. Min 15 Max 30

DARWIN

Tuesday: Sunny 33

Wednesday: Mostly sunny. Min 24 Max 34

Thursday: Partly cloudy. Min 24 Max 33

Friday: Shower or two. Min 25 Max 33 

Saturday: Shower or two, possible storm. Min 25 Max 33

Sunday: Partly cloudy. Min 25 Max 33

Monday: Partly cloudy. Min 26 Max 33

 

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