text: Incredible footage of a Sydney train station flooding during the storm of a decade on Wednesday has been captured on CCTV. A time lapse video, filmed from the platform over a 45 minute period at 11am, shows the water creeping along the tracks at Bardwell Park in Sydney's south forcing the partial closure of the T2 Airport line. At one point a worker in a high-vis jacket appears to look at the rising water to take a photo. The murky flood water eventually submerges the train line and begins moving like a river past the platform. Sydney's two-day total rainfall  totalled about 225mm by 9am Wednesday – the most fall for almost 17 years. A time lapse video, filmed from the platform between 11am and 11.45am, shows storm water creeping along the tracks at Bardwell Park in Sydney's south . Although the storm had passed by Thursday, about 80 sets of traffic lights are still out across the city, and a number of main roads remain closed due to flooding. Twelve local government areas have been declared natural disaster zones, from Sydney's northern beaches to the Hunter Valley. Meanwhile, thousands of people remain stranded in parts of New South Wales as emergency services begin to clean up after devastating weather smashed the state over three days. On Thursday morning, the NSW State Emergency Service said about 2000 people in the Hunter Region - including the Macdonald Valley, Webbs Creek Valley and Colo Valley - are expected to be isolated for days. The murky flood water submerges the train line and begins moving like a river as it reaches almost the height of the platform . The flooding at Bardwell Park forced the partial closure of the T2 Airport line in Sydney . An evacuation order remains in place for parts of Milperra in Sydney, about 200,000 remain without power and the SES is still working to address 50 per cent of 12,420 calls for help it has received since Monday morning. In Dungog, in the Hunter Region, an elderly woman and two elderly men reportedly died in their homes as water surged through the small town after it received more than 300mm of rain in 24 hours. The Bureau of Meteorology said wild weather conditions would continue to ease on Thursday but warned floodwaters still had yet to peak in some areas - including Singleton and Bulga in the Hunter. NSW SES deputy commissioner Steven Pearce said: 'The recovery effort will be huge for those areas that have been smashed by what has been the largest storms in the last 10 years.' After being submerged in flood water, the airport line reopened in time for the afternoon peak . The train line appeared more like a river than a track on Wednesday . A cyclist powers his way through a flooded road, which was causing a traffic jam, at Bondi Junction in Sydney . Rain water made wellies a necessity in some Sydney train stations this week .
target: The video was filmed over 45 minutes at Bardwell Park station in Sydney .
  It shows the rising flood water taking over the train tracks .
  Sydney's two-day total rain fall totalled about 225mm on Wednesday .
  The flooding caused a partial closure of the airport train line .