Just in time for the new season, a blast of polar air from Antarctica has collided with much of eastern and southern Oz, with some areas receiving an icy cocktail of rain, hail, wind and snow and the coldest temperatures of the year so far this week. Rain records tumbled in the Pilbara in Western Oz over the weekend after the polar blast brought floods to the region. The weather system then moved to South Oz on Sunday, which shivered through its coldest day of the year so far as it faced torrential rain and a destructive ‘mini tornado’ to Adelaide’s north. Yesterday, the polar blast started to move through Tassie, Victoria and NSW, bringing chilly winds, heavy rain, and snowfall forecast for as low as 700 metres above sea level. And soz Queenslanders – the winter chill is set to hit your neck of the woods today. The countdown to spring begins…