Heavy Snow — Inner Channels From Kupreanof Island To Etolin Island, Alaska

2021-03-12 to 2021-03-13 · Inner Channels From Kupreanof Island To Etolin Island, Alaska

Event narrative

Trained Spotter 9 Miles South of Wrangell reported 6.75 inches of snow.

Wider weather episode

A developing low ran north along a deep baroclinic zone into Dixon Entrance. A cold air mass with 850 temperatures of around -10C coupled with northward dry cold air at the surface created a very efficient overrunning event across the southern Panhandle into Saturday.

Source: NOAA Storm Events Database, event_id 951783. Narrative written by the NWS forecast office that issued the report.