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

A new atmospheric river will bring a new rainstorm to the Los Angeles area in the middle of the week, forecasters say.

El Niño and La Niña are climate phenomena that are generally associated with wetter and drier winter conditions in the ...

Researchers at Stanford University developed a new method to measure water levels in the state’s aquifers using readily available seismic data.

A third massive storm is predicted to slam into Southern California this week, prompting officials to warn residents to ...

SANTA CRUZ — Santa Cruz County finds itself, once again, caught in the middle of an atmospheric ... With a river of moisture yet again flowing across the sky toward the California coast, the ...

Historic rains filled Greater Los Angeles reservoirs and shallow aquifers nearly to capacity in 2023. But drought conditions persisted in deeper aquifers, according to a new analysis of seismic data ...

LOS ANGELES (KCAL KCBS) — A new atmospheric river will bring a new rainstorm ... storm could be the biggest we’ve had since late 2023. There is the potential for flooding and mudslides ...

First, President Donald Trump’s order to release water from two California dams raised expert concerns about flooding. Then ...