Atmospheric chaos has sent temperatures soaring in Antarctica

image via New Scientist

September 26, 2025, 12:00 PM

• •Antarctic stratospheric temperatures have risen dramatically.
• •The polar vortex has weakened, potentially impacting weather.
• •Experts link the warming to rising sea surface temperatures.
• •Unusual weather patterns are expected in the southern hemisphere.

Stratospheric temperatures above Antarctica have surged significantly, leading to potential disruptions in the polar vortex and raising concerns about the frequency of such events. These warming trends, which are happening more frequently than expected, are linked to rising sea surface temperatures in the Pacific and may cause strong westerlies that will alter weather patterns. Meteorologists predict possible warmer, drier conditions in Australia and suggest that the atmospheric temperature rise could increase further, resulting in some wild weather across the southern hemisphere.

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