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Heavy Snow in Upper Columbia Basin, Washington

Heavy Snow December 29, 2020 – December 30, 2020 · Upper Columbia Basin, Washington

What the National Weather Service wrote

In the Upper Columbia Basin, from Ritzville to Odessa, there were reports of 4 to 6 inches of new snow accumulation. Vehicles driving too fast for poor road conditions led to many collisions and slide offs along Interstate 90 and other state highways.

The wider storm

A widespread, winter system brought snow to much of Eastern Washington on December 30th and 31st. The initial snowfall began overnight into the early morning hours of the 30th which resulted in difficult morning commutes. Significant snow fell throughout Eastern Washington with the greatest totals up to 8 - 12 inches.

Source: NOAA Storm Events Database, event 933110. Narratives are written by the National Weather Service forecast office that issued the report.

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