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From late June to mid-July of 2021, the Pacific Northwest was scorched under an unprecedented heat dome, shattering temperature records and igniting a wave of concern over climate extremes. As cities like Portland and Seattle, known for their mild summers, grappled with triple-digit heat, scientists delved into the whys and hows of this meteorological anomaly.
Now, a collaborative team of researchers led by Michael Mann of the University of Pennsylvania’s School of Arts & Sciences have peeled back layers of atmospheric dynamics to reveal a startling truth: The interplay of natural systems and human-induced climate change is setting the stage for more frequent and severe weather events.
