A sunny day in Sydney in June. Australia’s unseasonably warm conditions are the result of both natural drivers of our weather and continued global warming.If you’ve been out and about the past few days, you may have noticed Australia is experiencing an unseasonably warm winter. It’s been t-shirt weather across many parts of the country’s east, including Sydney where temperatures topped 25 degrees Celsius on Sunday.
All this comes after the world experienced its hottest month since reliable records began. July brought an incredible 21 of the warmest 30 days ever recorded – prompting the United Nations to declare aSo what’s going on with the weather in Australia? Should we just enjoy the pleasant conditions, or is it a troubling sign of what’s to come under climate change?Australia’s unseasonably warm conditions are the result of both natural drivers of our weather and continued global warming.
For example, daytime temperatures in Canberra in July – historically known for its cold winters – were the warmest on record, despite frequent frosty mornings. Sydney has just experienced its warmest July on record, too.The high pressure has caused the air over the continent’s interior to warm. When cold fronts move across the south of Australia they push this warm air ahead of them, bringing warm and windy conditions to southern coastal areas.
And what about the oceans? Around Australia, oceans are a bit cooler than average in some places includingOcean temperatures are currently above normal in many places around the world, including the west Indian Ocean and the central and eastern tropical Pacific. This indicates a developing El Niño and positive Indian Ocean Dipole – two natural climate drivers that affect Australia’s weather patterns.
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