A Level 3 storm has spawned a rare Tornado Warning in San Francisco and left behind a path of destruction across the Bay Area ...

SACRAMENTO, Calif. — An AR2 hit the coastline of Northern California from Bodega Bay down toward Santa Cruz. The abundant ...

Better forecasting would help communities prepare for the extreme weather from atmospheric rivers that causes an average of ...

As we head into the weekend, we are tracking the next system for the Central Coast. The northern part of California is ...

A ‘bomb cyclone’ storm riding a 2,000-mile ‘atmospheric river’ threatens millions of Americans with power outages, toppling ...

“We've seen good returns across species and populations,” said Taylor. “On the east coast of Vancouver Island, in most cases, ...

And all the while an atmospheric river pumped intense rainfall upon ... call a “cold core low,” which boosted by a strong jet stream and a sharp contrast between the relatively warmer ocean ...

A potent atmospheric river packing heavy rain will continue to hammer Northern California on Friday, possibly triggering more flooding, mudslides and rockslides as heavy snow piles up in the mountains ...

Simply put, a bomb cyclone is how quickly a storm strengthens and an atmospheric river is a steady stream of moisture coming from the tropics. Separate pieces of the storm system, but can work ...

Water levels at major reservoirs in northern California rose this week after a moisture-laden atmospheric river pummeled the region. A bomb cyclone brought dangerous weather conditions across the ...

The heavy precipitation is due to an atmospheric river, which can carry more water than the Mississippi River. Blizzard conditions are expected in the Cascades and far northern California due to ...