Wind Chill Exposure

NWS 2001 wind chill formula and frostbite-time exposure curves.

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Formula and source

NWS 2001 Wind Chill: WC = 35.74 + 0.6215 × T − 35.75 × V^0.16 + 0.4275 × T × V^0.16 (T °F, V mph, valid V ≥ 3 mph).

NWS Wind Chill Temperature Index, 2001 revision.

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