Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

The Pacific Coast Highway along Malibu canyon was closed after runoff pushed mud and debris over the road and into the Pacific Ocean (Video Credit: @PIOErikScott).

Another atmospheric river is expected to bring heavy rain to ... late last month and forced officials to close sections of the Pacific Coast Highway and Topanga Canyon Road. Much of California ...

The recent atmospheric river measurements help inform changes ... flight on the WC-130J Super Hercules in January 2023 over the Pacific Ocean. The crew’s 10-hour flight collects data that ...

Part of the Atmospheric River Reconnaissance program ... flight on the WC-130J Super Hercules in January 2023 over the Pacific Ocean. The crew’s 10-hour flight collects data that improves ...