Al Roker talks to climate scientist Alexander Gershunov about the conditions that made the L.A. wildfires so devastating.

Atmospheric rivers, also described as "rivers in the sky," cause more than 80 percent of all flooding damage across the West ...

Impact from a moisture-laden storm is expected to persist in the San Francisco Bay Area through Friday, with more rain likely ...

What’s the connection between climate change and an increase in so-called atmospheric rivers?

Both reservoirs have been steadily rising since November, after the start of California's water year in October. A series of ...

Climate change has amplified the intensity and frequency of atmospheric rivers, because warmer air holds more moisture.

The bomb cyclone bringing high wind gusts to the Pacific Northwest is about to pull in a plume of moisture in the form of an atmospheric river. Climate change is decimating the likelihood of ...

If this late-week atmospheric river pattern shifts south, Sacramento's rain totals will increase. The same rule applies to snow chances around Lake Tahoe. If the northward trend continues, many of ...

Hang onto your umbrellas: An “impressive” atmospheric river is set to deliver multiple ... “But we’ll dry out with a pattern change behind the system by the end of the week, which is ...

California is investing $15 million to offset climate change threats to salmon and steelhead trout in river and stream ...

From the warmest year on record to an arctic blast and even snow, marine biologists are concerned about weather and climate ...

REUTERS For several years, California has been hit with atmospheric river storms that have led ... damage across the West Coast, and climate change will increase the likelihood of catastrophe ...