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Europe's Scorching Summers: Warming Faster Than Anywhere Else
25 Jun
Summary
- Europe is warming twice as fast as the global average.
- Melting Arctic sea ice and reduced pollution particles worsen heat.
- Shifting jet streams trap heat, causing prolonged, intense heat waves.
Western Europe is experiencing unprecedented heat waves, a trend consistent with the continent warming faster than any other region globally. Since the mid-1990s, Europe's average temperatures have risen nearly 1 degree Fahrenheit per decade, more than double the world's pace. This warming is primarily driven by increased greenhouse gas emissions.
Several local factors exacerbate this trend. Melting Arctic sea ice and a decrease in atmospheric aerosols (from pollution controls) mean more solar radiation is absorbed. Reduced snow cover also leads to more heat absorption by exposed land, particularly in northern regions. These changes are modifying atmospheric circulation patterns.
Scientists are investigating how these shifts, including a more frequent splitting of the jet stream over Europe, contribute to prolonged heat waves. This 'double jet' pattern can trap high-pressure systems, transforming brief hot spells into extended periods of dangerous heat, as seen in past deadly heat waves.
