Extreme Cold/Wind Chill — Nern P.w. Snd, Alaska

2021-12-12 to 2021-12-13 · Nern P.w. Snd, Alaska

Event narrative

Wind chill at the FAA camera tower at Thompson Pass was -43F at time of issuance. Wind chill values ranged between -38 and -44 through duration of warning. Wind chill values dropped back to -35 around 1300 on the 13th.

Wider weather episode

A deep vertically stacked low that made it's way from the Bristol Bay area to the Gulf of Alaska. Across southcentral, a strong front along the leading edge of the system brought moderate to heavy snowfall and areas of mixed precipitation in areas affected by down-sloping winds. The backside of the low however brought winds, frigid and blizzard conditions along the southwest.

Source: NOAA Storm Events Database, event_id 1007239. Narrative written by the NWS forecast office that issued the report.