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Heavy Snow in Northwest Blue Mountains, Washington

Heavy Snow February 13, 2023 – February 14, 2023 · Northwest Blue Mountains, Washington

What the National Weather Service wrote

The SNOTEL site TOHW1(Touchet) measured 12 inches of snow over a 15 hour period ending at 0300 on Feb 14th.

The wider storm

An upper-level shortwave trough and strong cold-frontal boundary pushed through the region the morning of Feb 13th followed by a period of post-frontal showers the rest of the 13th driven by anomalous cold air aloft. A secondary wave feature dropping southward from BC the night of the 13th into the 14th provided continued snow showers over the mountains.

Source: NOAA Storm Events Database, event 1083574. Narratives are written by the National Weather Service forecast office that issued the report.

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