High Wind — Juneau Borough and Northern Admiralty Island, Alaska

2021-02-11 · Juneau Borough and Northern Admiralty Island, Alaska

Event narrative

Multiple gusts over 60 mph. Marine exchange observation at the Juneau AML dock reported 67 mph at 4:42 pm. Damage to chairlifts at local ski hill due to chairs flip over the cable overnight and then damaged by operations when started back up.

Wider weather episode

Very strong pressure gradient between Whitehorse and Skagway along with good cross barrier flow at the mid levels from the east to induce increase lee side troughing on SEAK side of mountains. The Juneau area had a Taku from a moderate critical layer and very strong inversion and cross barrier flow.

Source: NOAA Storm Events Database, event_id 945674. Narrative written by the NWS forecast office that issued the report.