One good thing about Australia’s huge weather shift

That positive news is that this La Nina is unlikely to be as powerful as the last double La Nina which occurred between 2010 and 2012 and saw both Cyclone Yasi and the catastrophic Brisbane floods. So the“This is looking like a weak to moderate La Nina while ten years ago it was strong event,” Neil Plummer, a consultant with“It’s also short lived – it’s started late – so the expectation would be that you wouldn’t see the extensive, longer duration flooding back we had 10 years ago.

ENSO can mean the difference between devastating droughts and bushfires, and much-needed rains but also far less welcome cyclones and floods.During a La Nina event, which happen in and around summer, trade winds ramp up dragging cooler waters from the depths of the ocean to the surface in the central and eastern equatorial Pacific.

While a La Nina can mean more rain for the US Pacific Northwest, it’s often far drier in California and other southern states and can coincided with more bushfires.La Ninas may bring rain to eastern Australia but they suck moisture away from the southern US. The fierce Californian bushfires of August 2021 coincided with a La Nina. Picture: Justin Sullivan/Getty Images/AFP.

More cloud can bring down daytime temperatures but conversely make nights milder which can mean less frost. Meanwhile, the Madden-Julien Oscillation to Australia’s north is expected to intensify as we head into December which should bring more rainfall across northern Queensland.drama with forecasts for average rainfall over summer.Queensland is expected to see a wetter summer due to La Nina, with lots of cloud set to roll over the Gold Coast. Picture: Jerad WilliamsGenerally, ENSO swings from La Nina to El Nino every three to five years but the gap can be much longer.

Floods, similar in size to those that washed over Sydney’s Windsor Bridge in March could occur again in the coming months. Picture: Saeed Khan/AFPIt’s one of the biggest confusions of La Nina – if it brings cooler temperatures and more rain, isn’t that the exact opposite of climate change which it’s assumed brings warmer temperatures and less rain?

A pitty we didn’t build a few more dams

Good this is our wet season up north.

A natural weather event, that will give us a wet summer this year... Rivers will rise!!!... and those on flood plains will blame climate change because no insurance company will cover rising water....ffs Why did the early settlers build houses on stilts...? Northern Rivers 🙄

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