the wind chill can plunge to -19 degrees, a level where exposed skin can freeze in as little as 30 minutes . The formula used by the NWS to calculate wind chill is: Wind chill (degrees F ...

"How cold it is, plus how strong the winds are," Jeanes said. According to the NWS, this is the formula used to calculate wind chill: 35.74 + 0.6215T – 35.75 (V^0.16) + 0.4275T(V^0.16 ...