Winter Storm — Inner Channels From Kupreanof Island To Etolin Island, Alaska

2012-12-01 to 2012-12-02 · Inner Channels From Kupreanof Island To Etolin Island, Alaska

Event narrative

Petersburg COOP measured 1.7 inches on 12/1 and 9.5 inches on 12/2. Most of the new snow fell during the early morning hours of 12/2. The snow was heavy and rapidly compacted on 12/2.

Wider weather episode

Arctic high pressure had become established over the southern Yukon. The arctic front was over Juneau on the evening of 11/30 and moved south over the southern Panhandle through 12/1. Petersburg got around 11.2 inches of snow by noon on 12/2.

Source: NOAA Storm Events Database, event_id 426044. Narrative written by the NWS forecast office that issued the report.