Heavy Snow in Copper River Basin, Alaska

Heavy Snow March 4, 2022 – March 6, 2022 · Copper River Basin, Alaska

What the National Weather Service wrote

Richardson Highway from mile post 184 to mile post 203 - Surface conditions: Deep snow, Drifting snow, Packed snow, Road surface in poor condition, Snow on roadway, Heavy Drifting, Visibility reduced, resuspended snow dust. Atmospheric Conditions: Heavy snow, Poor visibility, Snow, Visibility reduced, Whiteout. Snow: 10 inches; Wind speed (MPH): Min 10, Max 40.

The wider storm

A low pressure system moved northward through the Gulf of Alaska and stalled in Prince William Sound. This resulted in a band of snow that moved over the Chugach Mountains which then stalled and intensified over Anchorage and the Matanuska Valley. As a result, significant snowfall occurred.

Source: NOAA Storm Events Database, event 1019259. Narratives are written by the National Weather Service forecast office that issued the report.

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