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 ...

SANTA CRUZ, Calif. — The Santa Cruz Wharf, jutting half a mile into the Monterey Bay, offers a cheerful stroll past souvenir ...

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

Sampling the air around Imperial Beach, California, reveals pollution from the Tijuana River in sea spray aerosols ...

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 ...

From coastlines to heartland, new research suggests the very geography of the United States could be dramatically altered by ...

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