Weather researchers prepare to launch a radiosonde on a weather balloon into the sky Monday, Feb. 3, 2025, amid several waves of an atmospheric river that brought several inches of rain to the ...

What's an Atmospheric River? A Pineapple Express? AP Explains the Weather Phenomenon Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land ...

Editor's note: This page reflects news from Wednesday, Feb. 12. For the latest updates on the atmospheric river in California, read USA TODAY's coverage for Thursday, Feb. 13. SAN DIEGO ...

A rain-filled storm called an atmospheric river is sweeping into California this week. The weather phenomenon could bring heavy rain to many parts of the state—including the areas around Los ...

Another atmospheric river is expected to bring heavy rain to most parts of California this week, raising concerns over flooding on the heels of an earlier system that broke daily rainfall records ...

A rain-filled storm called an atmospheric river is sweeping into California this week. The weather phenomenon could bring heavy rain to many parts of the state—including the areas around Los Angeles ...