At atmospheric river continues to slam portions of California Tuesday, with multiple inches of rain expected until Wednesday.

Forecasts indicate that an atmospheric river will bring heavy rain and snowfall to much of the Pacific Northwest starting ...

The definition: An atmospheric river (AR) is a long plume of moisture that stretches from the tropics or subtropics into ...

An atmospheric river is a long plume of moisture that is transported by tropical ... is mindblowing – a strong atmospheric river can transport as much water vapor as up to 15 times the average ...

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

Pineapple Express has drenched Northern California in the last few days—but what exactly is it? How common is it? Also, go ...

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 ...