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Make no mistake about it – global warming is increasing the odds of hot, record-breaking weather conditions in Australia, say climate experts.

Melbourne summer temperatures have been steadily climbing over the past 25 years, but even more so during the two weeks of the Australian Open in late January, new data analysis reveals.

Variations in high-altitude wind patterns expose particular parts of Europe, Asia and the US to different extreme weather conditions, a new study has shown.

Research has revealed that the extremely hot, dry and windy conditions on Black Saturday combined with structures in the atmosphere called 'horizontal convective rolls' -similar to streamers of wind flowing through the air - which likely affected fire behaviour.