12 December 2024
We gained’t have frost on our eyelashes however in the present day it would really feel like we should. Pittsburgh’s present temperature of 21°F is simply 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 folks and animals really feel when outdoors. Wind chill is predicated on the speed of warmth loss from uncovered pores and skin attributable to wind and chilly. Because the wind will increase, it attracts warmth from the physique, driving down pores and skin temperature and ultimately the interior 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 shortly uncovered pores and skin will get frostbite. Beneath excessive situations it could possibly take solely 5 minutes. (I’ve circled in the present day’s approximate values in pink.)
Sure, it feels chilly and to make issues worse our our bodies are usually 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 in the present day.
p.s. How chilly does it must be to get frost in your eyelashes? Minus 50°F == -50°F.
