Last updated October 15, 2021
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Western US Heat Wave Early June 2016

West, US

Temperatures in the western US soared the first weekend in June thanks to a stalled high-pressure weather system.

The heat wave broke daily temperature records in Washington, Oregon, Nevada, California, and Arizona, with the southwestern states also seeing temperatures well above 100°F (38°C) and heat-driven wildfires.

One of the clearest findings of climate science is that global warming amplifies the intensity, duration and frequency of extreme heat events.

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Telecula Fire. Photo: Paula Sato