Marble Bar to reach 49C as severe heatwave grips parts of Queensland, NT and WA

Conditions 8C to 12C above average across large parts of Australia's north, with little reprieve for storm-ravaged areas

A severe heatwave is expected to affect parts of Queensland, the Northern Territory and Western Australia heading into the new year.

Large swathes have been put on alert, with conditions 8C to 12C above average.