Heatwave scorching US west ‘virtually impossible’ without climate crisis, say scientists
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A record-breaking heatwave in the US West during March 18-22 was made "virtually impossible" by the climate crisis, according to a rapid analysis by World Weather Attribution. The heatwave, fueled by high atmospheric pressure, broke temperature records in 140 cities from California to Missouri, with temperatures up to 30F (17C) above average. Scientists determined that the climate crisis, primarily from burning fossil fuels, has made such heatwaves four times more likely in the last decade. Without global warming, the heatwave would have been milder, about 1.4F (0.8C) cooler. Forecasters expect the heat to continue and spread, potentially setting all-time March temperature records in 100 cities.
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