Winter Weather in San Juan River Basin, Colorado

Winter Weather January 1, 2023 – January 2, 2023 · San Juan River Basin, Colorado

What the National Weather Service wrote

Generally 4 to 8 inches of snow fell across the area with locally higher amounts of up to a foot reported.

The wider storm

Moisture associated with a landfalling moderate Atmospheric River reached western Colorado, riding on a 120-130 knot jet aloft. Perturbations in the northwest flow associated with this jet combined with favorable orographics to result in moderate to heavy snow across the mountains. Light to moderate snow also fell in some of the valley areas.

Source: NOAA Storm Events Database, event 1062890. Narratives are written by the National Weather Service forecast office that issued the report.

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