1. What is Wind Chill?

Wind chill is the perceived decrease in air temperature felt by the body on exposed skin due to the flow of air. It estimates how cold it feels when wind is factored in with the actual air temperature.

2. How Does the Calculator Work?

The calculator uses the standard wind chill formula for metric units:

Where:

• \( W \) — Wind chill index (in °C)
• \( T \) — Air temperature (in °C)
• \( V \) — Wind speed (in km/h at 10m height)

Explanation: The formula calculates how wind speed affects the perception of temperature on exposed human skin.

3. Importance of Wind Chill Calculation

Details: Wind chill is important for understanding the risk of frostbite and hypothermia. It helps in making appropriate clothing choices and assessing outdoor safety in cold weather.

4. Using the Calculator

Tips: Enter temperature in °C and wind speed in km/h. The wind speed should be measured at 10 meters height (standard anemometer height).

5. Frequently Asked Questions (FAQ)

Q1: At what temperature does wind chill become relevant?
A: Wind chill is typically calculated for temperatures at or below 10°C and wind speeds above 4.8 km/h.

Q2: Does wind chill affect objects?
A: No, wind chill only describes how living beings perceive temperature. Objects will cool to the actual air temperature.

Q3: Why is the formula non-linear?
A: The relationship between wind speed and heat loss is non-linear, which is reflected in the exponents in the formula.

Q4: How accurate is the wind chill calculation?
A: It's a good estimate but individual factors like clothing, activity level, and body type also affect perceived temperature.

Q5: Is there a different formula for Fahrenheit?
A: Yes, there's a separate formula for imperial units (temperature in °F and wind speed in mph).