What was different about the deadly, record-breaking heat wave in June 2021 that made it so much more extreme than anything the Pacific Northwest had experienced before?

Dmitri Kalashnikov.

Like a doctor diagnosing a patient, Portland State University climate scientist Paul Loikith and former PSU master’s student and current Washington State University Vancouver Ph.D. student in environmental science Dmitri Kalashnikov sought out to provide a detailed meteorological analysis of the progression of the heat wave, comparing the atmospheric conditions associated with the 2021 event with other historical events. Their findings are published in the journal Monthly Weather Review.

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