Pacific Northwest, Atmospheric river

Atmospheric river takes final aim at Pacific Northwest, still reeling from bomb cyclone
The first bomb cyclone hit earlier in the week, and was blamed for two deaths in Washington. Photos of the damage showed cars and homes smashed by fallen trees. Meanwhile, the eastern part of the country was getting its first real taste of winter weather with a storm that promised to dump rain and even a foot of snow at higher elevations in parts of Pennsylvania,
Atmospheric River To Bring Heavy Rains, Snow Across Pacific Northwest
"The average atmospheric river carries an amount of water vapor roughly equivalent to the average flow of water at the mouth of the Mississippi," NOAA states.
Pacific Northwest reeling from bomb cyclone; atmospheric river targets California
A developing storm system forecast to swing off the Oregon and Washington coastline on Friday will add to the region's weather woes.
Atmospheric river set to bring rain and flooding to Pacific Northwest
An atmospheric river is a narrow band of wind that carries immense plumes of moisture, spanning hundreds or even thousands of miles, resembling a vast river in the sky. NBC News' Chase Cain reports on the challenges this phenomenon poses for the West Coast.
Snow forecast across Northeast, Midwest as atmospheric river collides with bomb cyclone in Pacific Northwest
With millions of people preparing to travel for the Thanksgiving holiday, two strong storm systems are bringing high winds, heavy rain and snowfall to a large swath of the United States this week.
Bomb cyclone, atmospheric river to bring steady rainfall to Pacific Northwest
On Sunday, the National Weather Service issued a hydrologic outlook for much of Northwest Oregon and Southwest Washington.
Atmospheric river to bring heavy snow, rain to Northwest this week
In the northern hemisphere, atmospheric rivers typically occur during winter and are often cited for strong storms in the West. According to NASA, they are the largest transport mechanisms of fresh water on Earth.
Storm dumps record rain and heavy snow on Northern California
Heavy downpours fell over much of Northern California on Friday, causing small landslides, overflowing a river and flooding some streets, including in parts of San Francisco. Meanwhile tens of thousands of people were still without power in the Seattle area after several days in the dark.
How California's Major Reservoirs Changed After Atmospheric River
A bomb cyclone occurs when a storm's pressure drops quickly, which intensifies the storm and ramps up wind gusts. Atmospheric ...
Life-threatening floods predicted as 'atmospheric river' pounds Calif., Pacific N.W.
Areas of northern California and the Pacific Northwest were drenched with intense rainfall and placed under warnings of ...
'Bomb cyclone' batters the Pacific Northwest: See what it looks like from space
A bomb cyclone slammed the Pacific Northwest earlier this week, causing widespread power outages. Here's what it looked like ...
At least 4 dead after powerful atmospheric river event clobbers West Coast
During the height of the event, nearly 1 million customers lost power across the Pacific Coast, with hurricane-force wind ...
NASA Image Shows Swirling Power of Bomb Cyclone As It Hit Pacific Northwest
Bomb cyclones form when a storm's atmospheric pressure drops sharply within 24 hours in a process called bombogenesis.
Scenes From the Storm That Drenched the Pacific Northwest
The storm, driven by the season’s first major atmospheric river, inundated the region, killing at least three people and ...