Weather balloons and “hurricane hunter” planes aid the science of understanding California’s atmospheric rivers.

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

The Weather Prediction Center has maintained a Slight Risk (level ... atmospheric rivers can vary greatly in size and strength, however the average atmospheric river carries an amount of water ...

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

Lake Shasta waters swelled after heavy winter rains from an atmospheric river. Here's how much rain fell and how many feet the lake grew.