Snowfall possible in northern NSW as low pressure brings Antarctic blast to southern Australia

BoM says most severe impacts expected on Sunday and Monday, with warnings of flash flooding in Tasmania

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An intensifying low pressure system off Australia's south-east is bringing frigid temperatures to large parts of the country's south and a chance of snow as far as northern New South Wales.

The Bureau of Meteorology (Bom) was carefully monitoring the system on Saturday, which was expected to move from the NSW coast towards Tasmania, intensifying as it goes.

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