Environmental conditions at the South Col of Mount Everest and their impact on hypoxia and hypothermia experienced by mountaineers

Table 2 Equations used for the calculation of WCT and FFT[23]

Parameters	Equations
Wind chill temperature	$WCT = 13.12 + 0.621 * T - 11.37 * V^{0.16} + 0.3965 * T * V^{0.16}$
Facial frostbite time	$FFT = (- 24.5 * (0.667 * V + 4.8) + 2111) * {(- 4.8 - T)}^{- 1.668}$

V is the wind speed (in kilometer per hour) and T is the air temperature (in degree Celsius). FFT, facial frostbite time; WCT, wind chill temperature.

ISSN: 2046-7648