Heavy Snow — Southern Inner Channels, Alaska

2021-12-20 to 2021-12-21 · Southern Inner Channels, Alaska

Event narrative

County official estimates 5 to 6 inches of snow before 1 pm of snow in Thorne Bay. Tree fell on power line due to accumulated snow load.

Wider weather episode

Subfreezing /below normal temperatures were in place with a snowpack already on the ground across the entire region. A low tracked SE along the outer coast, started off with small snow crystals then rates steadily increased as the system developed. Every community saw some snow from this event and a few saw a short period of sleet. Sea level locations along the southern outer coast warmed enough for rain, but upper elevations and inland locations saw all snow.

Source: NOAA Storm Events Database, event_id 1000317. Narrative written by the NWS forecast office that issued the report.