Extreme Cold/Wind Chill in N. Brooks Rng E of Colville R, Alaska

Temperatures of 40 to 45 below combined with a northeast wind of 15 to 25 mph at Atigun Pass to produce wind chills as low as 82 below zero. The wind chills were 60 below or lower from approximately 0600AKST on the 21st through 1300AKST on the 25th. Wind chills of 60 below or lower were also observed at Anaktuvuk Pass from approximately 0300AKST on the 22nd through 1700AKST on the 25th. Temperatures of around 35 below combined with a northeast wind of 20 to 30 mph to produce wind chills as low as 71 below zero.