Rain or snow? Observers help scientists understand wintry weather
With a free app, volunteers gather crucial data on what type of precipitation is falling
An illustrated glossary of snow-related terms
Learn the lingo of the cryosphere
Tip sheet: monitoring the West’s snowpack
What’s the current state of the snowpack? How have conditions changed over the season?
Climate change and the snowpack: an annotated bibliography
How is climate change affecting the West’s snowpack? What are the projections for the future?
Numerous scientific reports and studies in recent years have tried to answer these questions and...
Post-fire study finds snowpack melts earlier
Loss of forest canopy and deposition of ash alter forest hydrology
How much runoff comes from the West’s snowpack?
Snowmelt dominates many Western rivers, but climate change will reduce that contribution as raindrops replace snowflakes.
Q&A: Defining the “snow deluge” and projecting its future
Scientist Adrienne Marshall explains why these extreme snow years are expected to decline in our warming world.
How this spring’s snowpack is stacking up
No joke: April 1 readings were decent across many parts of the West, but some areas are still stuck in a snow drought
10 visuals that show how climate change is transforming the West’s snow and water...
The latest National Climate Assessment warns of a shrinking snowpack and serious downstream consequences.
Map: Winter photo galleries
Use this interactive map to browse photos and videos taken in wintertime from our expanding collection of free-to-use media captured by drones, planes and ground-based photographers.