Heavy Snow — Western Kupreanof Island and Kuiu Island, Alaska

2023-03-01 · Western Kupreanof Island and Kuiu Island, Alaska

Event narrative

Trained spotter in Security Bay, 17 miles W of Kake, measured 8.5 inches of snow by 1038am on the 1st. A change to rain occurred after this time.

Wider weather episode

A strong low pressure developed over the northern Gulf of Alaska bringing significant moisture to Southeast Alaska. Cold air entrenched over the region at low levels ahead of the event allowed for significant snow to fall across the area in two major pulses. The first being along the warm front, with a period of blizzard conditions over Juneau, and the second pulse occurred as the cold front moved across the region.

Source: NOAA Storm Events Database, event_id 1082376. Narrative written by the NWS forecast office that issued the report.