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

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

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 ...

Last weekend's rainstorm pushed Lake Shasta levels up almost four feet between last Friday and Sunday, according to California Department of Water Resources data. Here’s how full Lake Shasta and ...

An atmospheric river will hit Northern California between Thursday and Friday — the third for that region since Friday. The risk levels are expected to be moderate in the San Francisco Bay Area ...

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