Sierra Nevada

In late winter, when the high mountains of Wyoming, Montana and Idaho are buried in snow, female wolverines in hidden dens give birth to one or two pure white kits. Scientists suspect the snow helps insulate the kits and protect them from predators like wolves, which might explain why...

Throughout late March and into April, much of the West experienced unseasonably warm days. Then, in late April, temperatures plummeted in Southwest Colorado’s San Juan Mountains and more than 2 feet of wet, heavy spring snow fell. Suddenly, ski boots were out again and for a day or...

A new study by NASA and several partners has found that in California's Sierra Nevada, atmospheric river storms are two-and-a-half times more likely than other types of winter storms to result in destructive “rain-on-snow” events, where rain falls on existing snowpack. Those events...

The snowpack in California's Sierra Nevada mountains has reached its lowest point in the past 500 years — primarily the result of the region's dry winter, researchers report.

And the researchers don't expect normal snowpack levels to be replenished anytime soon. "We should be...

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