Melting snow from California's Sierra Nevada is filling reservoirs. But dry conditions have shrunk the flow of the Colorado ...

Storm-hunting planes chase atmospheric rivers through the sky from Japan to the US, revealing new insights into these ...

A study by UC San Diego researchers reveals that pollutants found in the sewage-laden Tijuana River are ending up in the air ...

Those heading up to Alaska for a late spring cruise this week got a heaping dose of weather reality as an atmospheric river ...

Related: Strengthening atmospheric river poised to bring significant rainfall to Northern California Live storm map: See where rain is hitting California and Bay Area By Saturday morning ...

The 120-mile Tijuana River flows from Baja California into the United States and discharges millions of gallons of wastewater ...

"California gets a lot of precipitation in ... It turns the jet stream into a closed-off low-pressure system. Where many atmospheric river events hit straight from East to West, the closed off ...

The 120-mile Tijuana River flows from Baja California into the United States and discharges millions of gallons of wastewater ...

Pollution from the Tijuana River makes its way into the air and decreases air quality as far north as La Jolla, according to ...