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Climate change played a role in Australia’s hottest October and Tasmania’s big dry in 2015

Pandora Hope and colleagues write in The Conversation (16.12.16) that October 2015 was the hottest on record for that month, and Tasmania had its driest ever spring. The authors suggest that climate change played a strong hand in these record weather events.

‘Climate change made some of Australia’s 2015 extreme weather events more likely, according to research published today in the Bulletin of the American Meteorological Society.

‘As part of an annual review of global weather extremes, these studies focused on October 2015, which was the hottest on record for that month across Australia. It was also the hottest by the biggest margin for any month.

‘October 2015 was also the driest for that month on record in Tasmania, which contributed to the state’s dry spring and summer, and its bad fire season.

‘El Niño events usually drive global temperatures higher, and 2015 had one of the strongest on record. So were these records due to El Niño, or climate change? The research shows that while El Niño had some influence on Australia’s weather, it was not the only culprit.’

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