Why We Need To Prepare For A Sizzling Sydney Summer
The Bureau of Meteorology has upgraded its El Niño status from a “watch” to an “alert”, indicating a 70 per cent chance of a sweltering and dry summer ahead.
El Niño describes changes in the tropical Pacific Ocean that affect global weather, and it occurs on average every three to five years.
This climatic event often leads to drier conditions in eastern Australia, while the southern two-thirds of the country will experience a higher probability of above-average temperatures.
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So, how common is it to swing straight from a La Niña to El Niño? How big is the risk that this could result in dangerous heat waves, bushfires and droughts?
On today’s episode of This Arvo In Sydney, host Sacha Barbour Gatt spoke to Dr Thomas Mortlock, a senior analyst at Aon and an adjunct Fellow at the Climate Change Research Centre at UNSW, to explore the extent to which climate change contributes to these extreme weather events.
To better understand the wild weather changes, we first need to answer the question of what are El Niño and La Niña events.