“The predicted arrival time of the solar storm is uncertain, with a variance of twelve hours either side, which is typical for solar eruptions like these,” said Dr Brett Carter, a specialist in space weather prediction at the RMIT University school of science.

To help you decide whether it is worth heading out to catch a glimpse, Carter suggests keeping track of incoming space weather data via the BoM, as well as social media feeds.

I think they mean the relevant sub-division (?) of BoM: https://www.sws.bom.gov.au/Aurora