An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.

Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land they can cause ...

There's a place on Earth where lightning flashes almost every night—until, one day, it stopped. What causes the Catatumbo ...

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

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another ...

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

An atmospheric river — the second to wallop the state ... Often referred to as "rivers in the sky," atmospheric rivers are long, narrow tracts of the Earth’s atmosphere that gather moisture ...

Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land, they can cause heavy rains and snow. Here’s a look at the phenomenon: ...

Residents evacuate past damaged vehicles after storms caused a mudslide, on Feb. 5, 2024, in the Beverly Crest area of Los Angeles. (AP Photo/Marcio Jose Sanchez, File) Atmospheric rivers are a ...

What's an Atmospheric River? A Pineapple Express ... bands of water vapor that form over an ocean and flow through the sky, transporting much of the moisture from the tropics to northern latitudes.

Weather researchers prepare to launch a radiosonde on a weather balloon into the sky Monday, Feb. 3, 2025, amid several waves of an atmospheric river that brought several inches of rain to the ...

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, transporting ... Many atmospheric river events are weak.