美国西部热浪灼人 多州气温将达“危险”水平

Core Points - The article discusses the extreme heat wave affecting the western United States, particularly in states like Washington, Oregon, Nevada, Arizona, and Southern California, with temperatures reaching dangerous levels [1][2] - Approximately 1.2 million people are under extreme heat risk warnings, with the Tucson area in Arizona forecasted to experience temperatures between 39 to 42 degrees Celsius [1] - The city of Portland, Oregon, recorded a temperature of 38.9 degrees Celsius on August 22, potentially breaking its historical record for that date [1] Group 1 - The extreme heat wave has led to increased medical emergencies and incidents related to heat, with a notable rise in emergency room visits and 911 calls in Portland [2] - A participant in the annual "Mount Hood to Coast" relay marathon collapsed after running 6.4 kilometers due to the extreme heat conditions [2] - Local health officials reported that the weekend typically sees low emergency room traffic, but on August 22, 16 patients were treated, including 6 marathon participants [2] Group 2 - The historical highest temperature recorded in Portland was 46 degrees Celsius in June 2021, which resulted in numerous fatalities, particularly among isolated individuals aged 60 and above [2]