12 December 2024
We received’t have frost on our eyelashes however at this time it’s going to really feel like we should. Pittsburgh’s present temperature of 21°F is barely half of the conventional excessive (42°F), and the wind chill in 15-24 mph wind makes it really feel a lot worse.
The wind chill temperature is how chilly individuals and animals really feel when exterior. Wind chill is predicated on the speed of warmth loss from uncovered pores and skin brought on by wind and chilly. Because the wind will increase, it attracts warmth from the physique, driving down pores and skin temperature and finally the inner physique temperature.
— Nationwide Climate Service (NWS): Understanding Wind Chill
This wind chill chart reveals how temperature and wind create a “Feels Like” temperature. Blue-to-purple background colours point out how rapidly uncovered pores and skin will get frostbite. Underneath excessive circumstances it will probably take solely 5 minutes. (I’ve circled at this time’s approximate values in crimson.)
Sure, it feels chilly and to make issues worse our our bodies usually are not used to it. Simply two days in the past it was partly sunny and 59°F on Monday afternoon, 10 December.
So bundle up. It’s wind chill-y at this time.
p.s. How chilly does it should be to get frost in your eyelashes? Minus 50°F == -50°F.
