The study found the heat dome in June and July 2021 was 34 per cent larger and lasted 59 per cent longer than a similar event would have without climate change.
North America's 2021 fire season, including massive Northern California blazes, was made worse by a supercharged heat dome. What did the supercharging? Climate change.
After the deadly heat dome of 2021, Multnomah County experts said this map is a critical tool to help inform planning decisions and do better in the future.