Swan Rangers Endure Atmospheric River!
Kelvin-Helmholtz clouds by Skip Via

Swan Rangers endured an atmospheric river during their outings this past week!

Scroll down to see the rest of their photos and details!

In our lead photo, Skip Via shows us Kelvin-Helmholtz clouds forming over Glacier National Park as a faster moving mass of air moves over a slower moving cloud layer, though this is not what inspires the the term “atmospheric river” for the weather system that brought days and inches of rain to Washington, Idaho and NW Montana!

 

Norma Linsky shows us many waterfalls in Glacier National Park as all that rain fell on and melted the snow pack, resulting . . .

 

. . . in the lowland flooding Norma shows us here!

 

Norma reports she had a bit of a stare-down with this Pileated Woodpecker while . . .

 

. . . this American Dipper she came across was right at home in all the wet!

 

Ruth Quist found this Mallard (decoy) right at home, as well as . . .

 

. . . this pair of Buffleheads!

 

Pat Jaquith found a pair of Pine Siskins feeding on Larch seeds . . .

 

. . . a rare bit of sunshine reflected in some wet Hawthorn berries and . . .

 

. . . in our parting shot, even a rainbow!

If you have interesting photos of your outings, send them along with a description to keith@swanview.org and we'll try to work them into these weekly reports!

This article published on December 13, 2025 • [Permalink]