Scientists reveal the backstory of what happened last summer in the deadly 2021 Pacific NW heatwave.

A new study from the University of Chicago explains a hidden backstory behind the horrific heatwave in late June to early July of 2021 that enveloped the Pacific Northwest. This data from the university should help project future heatwaves as ‘scientists worry that we are approaching—or have already approached—a tipping point in the alteration of the Earth’s atmosphere, after which extreme events become much more likely.’