Avalanche in Matanuska Valley, Alaska

Avalanche March 19, 2018 – March 20, 2018 · Matanuska Valley, Alaska

What the National Weather Service wrote

Hatcher Pass Avalanche Center reported an avalanche in Hatcher Pass closed the road to the ski area at the top. 10 people were stranded at the ski area for 24 hours while DOT cleared the road. No one was injured.

The wider storm

High pressure moving in from the west and low pressure moving in from the east combined to tighten the gradient over the eastern Chugach mountains. A strong shortwave moving in from the north enhanced the winds through channeled terrain, taking them to warning level. This caused some wind damage at Tsaina Lodge.

Source: NOAA Storm Events Database, event 742275. Narratives are written by the National Weather Service forecast office that issued the report.

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