BAMOS Vol 38 Q4 Nov 2025 BAMOS Vol 38 Q4 Nov 2025 | Page 2

Another Sudden Stratospheric Warming in 2025: what ' s happening to the atmosphere?
Meet the Australia-based experts shaping the IPCC AR7
Is this Australia’ s climate wakeup call? Official report reveals a hotter, harder future if we don’ t act now
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BAMOS November 2025

Bulletin November 2025

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President ' s report

AMOS President report by Sarah Perkins-Kirkpatrick
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Another Sudden Stratospheric Warming in 2025: what ' s happening to the atmosphere?

The Southern Hemisphere experienced a sudden stratospheric warming event in September, only about a year after the last one in July-August 2024. While these events are often depicted as rare in the Southern Hemisphere, Martin Jucker shares his take on why they may be occurring more often and explains why a better definition is needed to estimate their frequency.
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Meet the Australia-based experts shaping the IPCC AR7

The Intergovernmental Panel on Climate Change( IPCC) is currently in its Seventh Assessment cycle( AR7). Over 30 Australia-based experts have been selected as Lead and Coordinating Lead Authors to work on the three Working Group reports and the Special Report on Climate Change and Cities. In this article, a few of them share what they ' ll be working on and what they are most looking forward to.
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Is this Australia’ s climate wakeup call? Official report reveals a hotter, harder future if we don’ t act now

Australia’ s first National Climate Risk Assessment confirms the devastating impacts of climate change are already here. This article explores the key findings of the report and the major risks to Australia.