From: Pacific Northwest National Laboratory
Published April 21, 2017 03:30 PM

Pollution particles spur more mountain snow

High concentrations of tiny pollution particles near the Sierra Nevada Mountains in the western United States invigorate cloud formation and boost snowfall on the mountains, according to a new study by scientists at the Department of Energy's Pacific Northwest National Laboratory and their collaborators at Colorado State University.

That happens because the particles lead to the creation of many more shallow clouds in the California Central Valley and foothills, changing local air circulation. Latent heat is given off when the cloud droplet forms, which strengthens the transport of moisture to the windward slope.

Read more at Pacific Northwest National Laboratory

Photo credit: Famartin via Wikimedia Commons

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