Dramatic change in polar vortex threatens to tear up spring weather forecast

Dramatic change in polar vortex threatens to tear up spring weather forecast

Spring weather conditions across Australia are set to be disrupted by a meteorological phenomenon lurking over Antarctica.The rare occurrence of warming air in the lower part of the icy continent's stratosphere promises to bring a mixed bag of weather conditions for southern and eastern Australia in coming weeks, reports Weatherzone.The volatile forecast is based on scientists' studies of the polar vortex, a low-pressure system that swirls cold…