"If a severe super cell develops over the [Parramatta] area, we would have nine minutes from when the rain starts falling before floodwaters hit the CBD. We would not have time to evacuate. It becomes a major rescue operation."
Parramatta is a low-lying catchment area fed by 39 tributary creeks, any of which can cause flooding. But another expert said the risks seemed to have been ignored as the government and council continued with strategies to turn Parramatta into Sydney's second city centre.
