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 National Weather Service wind chill formula:

Where:

• \( T \) — Air temperature (°F)
• \( V \) — Wind speed (mph)

Explanation: The formula calculates how wind speed affects the perception of temperature on exposed human skin. The effect is more pronounced at lower temperatures and higher wind speeds.

3. Importance of Wind Chill Calculation

Details: Wind chill is important for understanding the risk of frostbite and hypothermia during cold weather. It helps in making appropriate decisions about outdoor activities and clothing.

4. Using the Calculator

Tips: Enter temperature in Fahrenheit and wind speed in miles per hour. The wind chill is only calculated for temperatures at or below 50°F and wind speeds above 3 mph.

5. Frequently Asked Questions (FAQ)

Q1: Why doesn't wind chill affect objects?
A: Wind chill only describes how quickly heat is lost from human skin. Inanimate objects will only cool to the actual air temperature.

Q2: What's the difference between old and new wind chill formulas?
A: The current formula (implemented in 2001) is based on human face models and provides more accurate estimates of how cold it feels.

Q3: At what wind speed does wind chill become dangerous?
A: Frostbite can occur in 30 minutes when wind chill values are below -18°F, and in as little as 10 minutes when below -34°F.

Q4: Does humidity affect wind chill?
A: No, the wind chill formula doesn't account for humidity, though humid air can feel colder in some conditions.

Q5: Why is wind chill not calculated for higher temperatures?
A: Above 50°F, wind typically has a cooling effect that's considered beneficial rather than dangerous.