Why does the temperature feel hotter than the forecast says?
Summary
This article explains why temperatures often feel hotter or colder than the actual forecast due to factors such as humidity, wind speed, and sun exposure. It describes how the "feels like" temperature is calculated and highlights the impact of heat stress in different global regions.Key Facts
- The "feels like" temperature includes factors such as humidity, wind speed, and sun exposure, in addition to the air temperature.
- Weather stations use special instruments to measure air temperature, which is often different from how temperatures feel.
- Two common scales for measuring temperature are Celsius and Fahrenheit.
- Humidity affects how the body cools itself, making sweaty conditions feel hotter because evaporation slows down.
- Wind speed can make temperatures feel cooler in hot weather by helping sweat evaporate or colder in winter by removing body heat.
- Sun exposure increases the temperature the body feels by adding warmth from solar radiation.
- Heat stress happens when the body absorbs more heat than it can release, and it is a leading cause of weather-related deaths.
- The Universal Thermal Climate Index (UTCI) is used to understand how weather affects the human body, considering different levels of thermal stress.
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