Think again. The way meteorologists gauge the wind chill changed in 2001. First Alert Weather chief meteorologist Steve Beylon explains the wind chill chart in the video above.

Based on this chart, you can get an idea of how much the wind chill will drive down your local temperature based on the local atmospheric conditions and your speed.

Wind chill chart shows when frostbite is a danger A chart from the Weather Service shows the relationship between temperature, wind and how long before frostbite occurs.

Wind chill is not a true temperature, but it allows us to understand how heat is lost due to the wind.

WTOL 11 Meteorologist Matt Willoughby explains how wind works against human physiology to make you feel colder than the actual temperature outside.

Find the value closest to the temperature at the top of the chart and the wind speed to the left. Your wind chill temperature is the value where the imaginary lines drawn from the air temperature ...

FOX6 News invites you to click and print off a copy of the National Weather Service wind chill chart.

Over the years, the wind chill calculation has been tweaked quite a bit, but in 2001, the National Weather Service landed on the chart you see below. The wind chill isn’t the actual temperature.

The way meteorologists gauge the wind chill changed in 2001. First Alert Weather chief meteorologist Steve Beylon explains the wind chill chart in the video above.