The article discusses the recent heat wave affecting approximately 265 million people in the Midwest and Eastern US. This extreme heat, marked by triple-digit temperatures, is largely due to a “heat dome” phenomenon compounded by high humidity from Caribbean winds. The increasing frequency and intensity of heat waves, exacerbated by climate change, underscore the need to consider humidity alongside temperature in assessing health risks.
Humidity affects how heat is perceived, making 90°F feel more intense in humid areas compared to drier climates. Health-related metrics like the heat index and wet bulb temperature (WBGT) offer better insights into heat stress risks. The article emphasizes the importance of adjusting outdoor plans based on these metrics and personal factors like age or medication. As heat waves become more severe, individuals are encouraged to stay informed about conditions, seek cooling resources, and remain hydrated.
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