SYDNEY — Millions of Australians across the country's southeast are being warned to brace for a blast of icy weather in the coming days, as a powerful low-pressure system currently sitting near Antarctica tracks toward the mainland, threatening to bring hail, snow, damaging winds and heavy rain to at least four states.

According to weather service Weatherzone, the low-pressure system is expected to travel more than 4,000 kilometers between Wednesday and Saturday, passing to the south of Australia over the weekend as it drags a large mass of polar air across the Southern Ocean toward the mainland. The severe weather is forecast to affect Victoria, Tasmania, New South Wales and southern Queensland, according to the outlook.

A Two-Stage Weather Event

Forecasters say the system will unfold in two distinct phases. Wind and rain are expected to increase across southeastern Australia from Saturday into Sunday, as northerly winds strengthen ahead of the approaching cold front. That initial pre-frontal air is expected to remain relatively warm, meaning most of the precipitation during this early stage will fall as rain rather than snow, with the exception of higher terrain in the Alps.

The more severe, bitterly cold conditions are expected to arrive from late Sunday into Monday, as the cold air mass spreads across New South Wales, Victoria, southern Queensland and the Australian Capital Territory, before reaching Tasmania on Monday. During this stage, forecasters are warning of blustery winds, rain, hail, thunderstorms and snow........

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