Australian weather extremes to get more extreme as climate heats: IPCC | p_hannam
These top 11 ranged from rising temperatures, extreme heat, ocean acidification and sea-level rise, which get worse, while cold spells and frosts will decrease. “We also have high confidence that snow will decrease by mid-century,” he said.“We are not just tracking whether temperatures are increasing, for example, but projecting when changes might reach critical tolerance thresholds for people, agriculture or wildlife,” Professor Ranasinghe said.
That trend is likely to continue as the west-to-east storm tracks that bring cool-season rainfall to southern Australia shift further polewards to Antarctica. Northern Australia, particularly during the wet season, has got wetter and that trend will likely continue. Rainfall more generally, though, and also deluges from thunderstorm activity are likely to increase at the rate of about 7 per cent per degree of warming.
The relatively short data records make it harder to forecast Indian Ocean influences on Australia’s weather, IPCC researchers said, although other published papers point to a worsening of extremes.
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