Heavy Snow in Northern Blue Mountains, Oregon

Heavy Snow February 13, 2023 – February 14, 2023 · Northern Blue Mountains, Oregon

What the National Weather Service wrote

The SNOTEL site MLKO3(Milk Shakes) recorded 18 inches over a 17 hour period ending at 0300 on Feb 14th, and the SNOTEL site HIRO3(High Ridge) recorded 12 inches in a 15 hour period ending 0300 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 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 a period of substantially increased snow showers over the mountains, particularly the Oregon Cascades.

Source: NOAA Storm Events Database, event 1083566. Narratives are written by the National Weather Service forecast office that issued the report.

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