A woman has died when her car was swept away in rising Queensland floodwaters as a ferocious rain bomb washed out the Ashes Test in Brisbane and hit Sydney.
Emergency services rushed to Lancing Street in Pullenvale in Brisbane's west just before 5pm on Wednesday after receiving reports a vehicle was stuck.
Police, paramedics, firefighters and a police helicopter searched for the woman in the floodwaters for an hour until her body was found.
The woman is believed to be the only person inside the car.
Police, paramedics, firefighters and a police helicopter searched for the woman in the Pullenvale floodwaters (pictured) for an hour until her body was found
It is understood a witness saw the car enter the water before being swept away.
'I'm advised that the floodwaters here rose very, very quickly,' Duty Officer Daniel Bragg told reporters at the scene. 'The reality is here, if it's flooded, forget it.'
Pullenvale, 20km west of Brisbane, was the suburb worst affected by the merciless downpour and received 59mm of rain on Wednesday evening.
Large parts of southeast Queensland have been issued severe thunderstorm warning with residents urged to secure loose outdoor items and put cars under cover.
The bad weather has delayed the opening day of the Ashes Test being held at the Gabba in Brisbane, after large amounts of rain fell at about 3pm, delaying play.
The bad weather has delayed the opening day of the Ashes Test being held at the Gabba in Brisbane after large amounts of rain fell during the tea break
Groundsmen were seen rushing to get covers on the wicket as a severe thunderstorm brewed over Brisbane and threatened to end the match prematurely=
Groundsmen were seen rushing to get covers on the wicket at about 3pm as the storm brewed over Brisbane and threatened to end the match prematurely.
Volunteers worked quickly to drain the large puddles on the grounds as attendees waited impatiently as play was halted for more than an hour.
Australian cricket legend Shane Warne reassured fans the grounds of the Gabba would dry quickly, with umpires given the decision on when play would resume.
Just before 6pm umpires called stumps following complaints of bad light, ending play for the opening day of the first Ashes Test at the Gabba.
The match will begin early at 9:30am Brisbane time on Thursday to make up for the delay, with Australia to begin their batting innings.
Australian cricket legend Shane Warne reassured cricket fans the grounds of the Gabba dried quickly, with Australia to continue batting
A low pressure system and a broad trough from the northern tropics into Eastern Australia is bringing showers and storms to the tropics, Queensland, and NSW
Earlier on Wednesday, BOM Queensland warned a storm cell was developing over Brisbane with a thunderstorm 'likely, possibly severe'.
It warned areas north of and including the Sunshine Coast could be hit with hail while damaging wind gusts were headed for the Central Highlands.
Residents in Kingaroy, Greenbank, Archerfield, Coolangatta, Logan City and Sunnybank and South Burnett will be affected by the monster rain bomb.
Weatherzone meteorologist Chris Matthews told Daily Mail Australia showers over Brisbane were due to be easing by Wednesday afternoon.
However, he warned lashings of rain were due to hit the grounds again on Thursday, with a forecast of afternoon showers over the city.
The meteorologist said there was a lesser chance of showers on Friday with the weekend set to receive 'nowhere near as much' rain as earlier in the week.
Mr Matthews said showers were forecast for Brisbane next week but residents could expect some drier days from Tuesday.
The Bureau of Meteorology warned commuters could be in for a dangerous drive home on Wednesday afternoon as thunderstorms kicked off across NSW
He said there was a 'slight chance' Sydneysiders would be hit with a storm overnight but said the heavy rain was due to continue regardless (pictured, a storm in Muswellbrook NSW)
Weatherzone meteorologist Chris Matthews said showers over the Gabba in Brisbane (pictured) were due to be clearing by the afternoon on Wednesday
BOM meteorologist Jonathon How predicted 100mm of rain would hit southeast parts of NSW and possibly east Gippsland from Wednesday through Saturday.
'Isolated totals exceeding 200mm can't be ruled out either,' Mr How said, adding showers could be expected in most eastern capitals on Thursday.
Sydneysiders were also warned to brace themselves for severe thunderstorm and flash flooding.
The BoM warned thunderstorms were already kicking off across NSW with the possibility of large hail, damaging winds and intense rainfall.
Weathezone's Mr Matthews said the city was still seeing leftover showers from the storms that happened inland.
He said there was a good chance Sydneysiders would be hit with a storm overnight but said the heavy rain was due to continue regardless.
A low pressure system developing off the far south coast threatened to bring more storms on Thursday afternoon, however it is still uncertain where they will form.
Mr Matthews said rain in the southeast of NSW may creep up to the north of Sydney bringing a wet Friday and possibly even Saturday.
However in positive news, the meteorologist said no rain was forecast for next week at this stage, giving residents some reprieve from the wet La Nina conditions.
Heavy rain and strong winds on the south coast of NSW will combine to create minor and major flood warnings in place across the state.
Sydneysiders are due to be hit with a thunderstorm on Wednesday night with warnings of damaging wind, heavy rainfall and large hail
In positive news for Sydneysiders at this stage no rain is forecast for next week, giving residents some reprieve from the wet La Nina conditions (pictured, a woman in Brisbane)
The lingering showers comes after the roof of a Penrith shopping centre collapsed under the weight of heavy rainfall on Tuesday.
Footage shows shoppers run for cover as the roof caved in at Penrith HomeCo shopping centre after water had pooled from the deluge on Tuesday afternoon.
Members of the public and retail workers had to be evacuated from the shopping centre while fire rescue crews attended the scene.
The SES has warned residents to be storm-safe by moving their cars under cover or away from trees and securing loose items around the house, yard and balcony.
Residents are also being told to keep clear of creeks and storm drains and not to walk, ride a bike or drive through flood water.
FIVE-DAY FORECAST IN YOUR CITY
Wednesday: Partly cloudy. Min 11 - Max 20
Thursday: Partly cloudy. Min 11 - Max 20
Friday: Sunny. Min 11 - Max 25
Saturday: Sunny. Min 14 - Max 30
Sunday: Mostly sunny. Min 19 - Max 36
Wednesday: One or two showers, possible storm. Min 21 - Max 31
Thursday: Shower or two. Possible storm. Min 21 - Max 31
Friday: Shower or two. Min 22 - Max 31
Saturday: Possible shower. Min 21 - Max 31
Sunday: Showers or two. Min 21 - Max 28
Wednesday: Showers. Min 12 - Max 18
Thursday: Showers. Min 11 - Max 19
Friday: Shower or two. Min 9 - Max 17
Saturday: Partly cloudy. Min 10 - Max 20
Sunday: Partly cloudy. Min 9 - Max 22
Wednesday: Showers, possible storm. Min 26 - Max 34
Thursday: Showers, possible storm. Min 26 - Max 33
Friday: Showers, possible storm. Min 25 - Max 33
Saturday: Showers, possible storm. Min 26 - Max 34
Sunday: Showers, possible storm. Min 27 - Max 35
Wednesday: Partly cloudy. Min 7 - Max 16
Thursday: Partly cloudy. Min 9 - Max 18
Friday: Possible shower. Min 11 - Max 17
Saturday: Cloudy. Min 10 - Max 17
Sunday: Partly cloudy. Min 9 - Max 20
Wednesday: Showers developing. Min 11 - Max 18
Thursday: Shower or two. Min 12 - Max 19
Friday: Cloudy. Min 12 - Max 20
Saturday: Partly cloudy. Min 12 - Max 24
Sunday: Mostly sunny. Min 12 - Max 27
Wednesday: Partly cloudy. Min 24 - Max 38
Thursday: Mostly sunny. Min 22 - Max 34
Friday: Partly cloudy. Min 18 - Max 25
Saturday: Partly cloudy. Min 16 - Max 25
Sunday: Partly cloudy. Min 15 - Max 28
Wednesday: One or two showers. Min 17 - Max 22
Thursday: Shower or two. Min 17 - Max 24
Friday: Shower or two. Min 17 - Max 24
Saturday: Shower or two. Min 16 - Max 23
Sunday: Showers or two. Min 17 - Max 23