Question 1

What is wind chill?

Accepted Answer

Wind chill is the perceived decrease in air temperature felt by the body on exposed skin due to the flow of air. Higher wind speeds make it feel significantly colder than the actual temperature.

Question 2

How is wind chill calculated?

Accepted Answer

The wind chill formula uses air temperature and wind speed to estimate how cold it feels. The formula only applies at temperatures at or below 50°F (10°C) and wind speeds above 3 mph (5 km/h).

Question 3

At what wind chill is frostbite a risk?

Accepted Answer

Frostbite can occur in 30 minutes or less when wind chill falls below -19°F (-28°C). At -36°F (-38°C), frostbite can occur in 10 minutes. At -55°F (-48°C), it can occur in 5 minutes.

Question 4

Does wind chill affect objects or just people?

Accepted Answer

Wind chill only affects living things. Inanimate objects like cars and pipes will not cool below the actual air temperature, though wind will cool them to that temperature faster.

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