Antarctic temperatures soar 50 degrees above norm in long-lasting heat wave
East Antarctica is experiencing a significant heat wave, with temperatures over 50°F above normal, raising concerns about climate change and its impact on polar regions and global weather patterns.
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Ground temperatures in East Antarctica have surged over 50 degrees Fahrenheit (28 degrees Celsius) above normal during a significant heat wave, marking the second such event in two years. This unprecedented warm spell, which could last for another 10 days, is particularly concerning as it highlights the potential for more frequent temperature spikes in polar regions due to climate change. Current temperatures are still around minus-4 degrees Fahrenheit (minus-20 degrees Celsius), but the anomaly is the largest globally. The South Pole is experiencing its warmest July since 2002, with temperatures about 11 degrees Fahrenheit (6.3 degrees Celsius) above average.
The heat wave is attributed to a weakened polar vortex, influenced by atmospheric waves, leading to sudden stratospheric warming. This phenomenon has disrupted typical weather patterns, allowing cold air to escape northward while raising temperatures in East Antarctica. Additionally, the region's sea ice cover is at its second-lowest level for this time of year, contributing to warmer conditions. Scientists note that the entire globe has been experiencing record warmth, with Antarctica warming at twice the global average. These extreme weather events are becoming increasingly common, raising concerns about the implications for the polar climate and global weather patterns.
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