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 ...

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

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

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

The storm brought heavy rain and high-elevation snowfall to Northern California over the weekend, and a similar one is ...

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 ...

The North Bay will bear the brunt of the incoming atmospheric river with the heavy rain arriving on Monday and Tuesday.

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

More extreme rainfall and higher frequencies of flooded rivers and flash floods around the world have a clear link to climate ...