atmospheric river

Pedestrians cross a street as it rains in Downtown Los Angeles

Californians brace for flooding in areas torched by wildfires as ice and snow hit East Coast

By Christopher Weber, Patrick Whittle, Associated Press

A low pressure storm system known as a "bomb cyclone" forms off the coast of the U.S. Pacific Northwest and western Canada

When a bomb cyclone meets an atmospheric river, the result is like an out-of-control fire hose

A powerful storm hitting the West Coast combines these weather phenomena for a wet week in many areas. But forecasting exactly which areas will get hit hardest is tough, as a meteorologist explains.

By Chad Hecht, The Conversation

Northwest U.S. sees ‘bomb cyclone’ kill 2 and knock out power to half a million homes

A major storm swept across the northwestern U.S., battering the region with strong winds and rain, causing widespread power outages, closing schools and downing trees that killed at least two people.

By Martha Bellisle, Hallie Golden, Lisa Baumann, Associated Press

Heavy rain expected in southern California

California braces for another potentially destructive winter storm

Forecasters warned Monday of possible flooding, hail, strong winds and even brief tornadoes as the system moves south over the next few days.

By Associated Press

Los Angeles homeowner Barry Blocker walks to his garage, where he is cleaning up after a mudslide buried one of his vehicles and cut his driveway off from the road in the Baldwin Hills neighborhood of Los Angeles, California, U.S., February 6, 2024. Photo by Jane Ross/Reuters

Southern Californians recount harrowing mudslides during record-breaking winter storm

A storm that parked itself over Southern California for days, unleashing historic downpours that caused hundreds of landslides, is moving out of the region after a final drenching.

By Damian Dovarganes, Richard Vogel, Stefanie Dazio, Associated Press

Storm pounds Southern California with flooding, mudslides and power outages

By Christopher Weber, Associated Press

The slow-moving system is expected to dump heavy rain on Southern California throughout Monday, and officials warn of potentially devastating flooding.

Another atmospheric river blows into California, causing floods and power outages

By Christopher Weber, Associated Press

The second of back-to-back atmospheric rivers drenched Northern California on Sunday, flooding roads, knocking out power to tens of thousands and leading forecasters to warn of possible hurricane-force winds and mudslides as it slowly heads south over the coming days.

What is an atmospheric river? A hydrologist explains the good, the bad and how they’re changing

By Qian Cao, The Conversation

Forecasters warn of dangerous conditions as another powerful atmospheric river takes aim at California. While these storms are dreaded for the damage they can cause, they are also essential to the region’s water supply.

A look at atmospheric rivers, the long bands of water vapor that form over oceans and fuel storms

By Associated Press

The storm that pummeled California this week was fueled by an atmospheric river, a plume of moisture that extended over the Pacific to near Hawaii.

Atmospheric river drenches California, with another expected on Sunday

By John Antczak, Associated Press

Heavy rain and gusty winds that began hitting the San Francisco Bay Area on Wednesday moved south and arrived in Los Angeles in time to snarl the Thursday morning commute.