Cold/Wind Chill — Upper Yukon Valley, Alaska

1999-12-24 to 1999-12-25 · Upper Yukon Valley, Alaska

Wider weather episode

Building high pressure over interior Alaska with a cold airmass over the Brooks Range and North Slope created a period of extreme windchills on the north and south slopes of the Brooks Range, inferred from observations at Anaktuvuk Pass, where the lowest windchill value was -80.

Source: NOAA Storm Events Database, event_id 5721123. Narrative written by the NWS forecast office that issued the report.