Extreme Wind Chill in Atigun Pass

Deep cold air is pouring across the central and eastern Brooks Range this morning, creating extremely low wind chills. The NRCS SNOTEL at the top of Atigun Pass (4800' MSL), the highest point on the Dalton Highway, at 7am AST Friday was reporting a temperature of 36 below with sustained winds of 36 mph, gusting to 45 mph. That's a wind chill of 77 below. Farther west, at Anatuvuk Pass at 9am AST it was 24 below with winds 28 gusting 35 mph, a wind chill of 58 below.