体感温度比实际气温更低？警惕风寒效应！

Core Points - The article discusses the "wind chill effect," which causes the perceived temperature to be lower than the actual temperature due to wind [3][5] - It emphasizes the importance of protective measures against the health risks associated with the wind chill effect, particularly for vulnerable populations [5] Group 1: Wind Chill Effect - The "wind chill effect" refers to the phenomenon where wind causes the perceived temperature to be lower than the actual temperature [3] - When there is no wind, a layer of warm air surrounds the body, providing insulation. Wind disperses this layer, accelerating heat loss and making individuals feel colder [3] - Data indicates that when temperatures are above 0°C, for every 2-level increase in wind speed, the perceived temperature drops by 3°C to 5°C; when temperatures are below 0°C, the drop can reach 6°C to 8°C [3] Group 2: Health Risks and Protective Measures - The wind chill effect significantly increases health risks, making individuals more susceptible to frostbite, colds, and cardiovascular diseases [5] - The effect is most pronounced on exposed skin, particularly the head, where approximately half of the body's heat is lost at around 4°C, increasing to three-quarters at -10°C [5] - It is recommended to wear windproof and warm clothing to minimize skin exposure, with a particular focus on head protection [5] - Humidity enhances the wind chill effect, making it crucial to consider both temperature and humidity when preparing for outdoor activities [5]