https://www.theguardian.com/us-news/2021/jul/21/pacific-northwest-heatwave-dome-climate-change

the American west



Residents of the region, known for its mild weather, are facing a shifting reality

Oliver Milman@olliemilmanThu 22 Jul 2021 02.00 EDT

The recent heatwave that broiled the US Pacific north-west not only obliterated temperature records in cities such as Seattle and Portland – it also put a torch to a comforting bromide that the region would be a mild, safe haven from the ravages of the climate crisis.

Unprecedented temperatures baked the region three weeks ago, part of a procession of heatwaves that have hit the parched US west, from Montana to southern California, over the past month. A“heat dome” that settled over the areasaw Seattle reach 108F (42.2C), smashing the previous record by 3F (1.7C), while Portland, Oregon, soared…