High Wind in Nern P.w. Snd, Alaska

High Wind March 4, 2020 – March 5, 2020 · Nern P.w. Snd, Alaska

77 mph

Measured gust (67 kt)

What the National Weather Service wrote

The wind sensor in Thompson Pass measured 77 mph. Reports from DOT personnel confirmed that snow drifting across the highway in Valdez town required the use of pilot cars to keep the roads open.

The wider storm

Low pressure in Prince William Sound combined with a building high pressure system over Alaska's Interior to increase the pressure gradient through the Chugach Range along the north Gulf Coast. This led to high winds through northerly passes along Prince William Sound. Several transient troughs moved across the area, contributing falling snow to create blizzard conditions in Thompson Pass.

Source: NOAA Storm Events Database, event 881682. Narratives are written by the National Weather Service forecast office that issued the report.

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