Heavy Snow in Coconino Plateau, Arizona

Heavy Snow February 22, 2022 – February 23, 2022 · Coconino Plateau, Arizona

What the National Weather Service wrote

Heavy snow fell across the Coconino Plateau including Ash Fork with 8.5 inches, 6.8 inches 10 miles east of Seligman, and 3.5 inches in Seligman.

The wider storm

A large trough of low pressure brought increasing moisture off from off the eastern Pacific marine layer over central Arizona. This brought extensive upslope snow shower activity coverage, especially along and White Mountains. The trough brought very cold air across Arizona (down to -12C at 700 mb) with saturation to at least 500 mb. This made for a very efficient snow process with significant, widespread accumulations.

Source: NOAA Storm Events Database, event 1010860. Narratives are written by the National Weather Service forecast office that issued the report.

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