A sudden stratospheric warming event over the Antarctic this week is expected to bring a chaotic spring to Australia’s south and a drier than average season to the nation’s east.

A rare and powerful stratospheric warming event appears to be unfolding high above the South Pole – and it could have a knock-on effect through the global weather system. Both of Earth’s poles are ...

Right now, cold air high above Antarctica is up to 35ºC warmer than normal. Normally, strong winds and the lack of sun would keep the temperature at around –55°C. But it's risen sharply to around ...