Atmospheric Rivers in the Northwest | USDA Climate Hubs
Jan 6, 2022 · Atmospheric rivers are a natural part of the water cycle in the western U.S. and in the Northwest occur most often in the fall and winter. When they are beneficial, they bring much needed rain to the region.
Atmospheric river - Wikipedia
An atmospheric river (AR) is a narrow corridor or filament of concentrated moisture in the atmosphere. Other names for this phenomenon are tropical plume , tropical connection , moisture plume , water vapor surge , and cloud band .
Unprecedented Atmospheric River Soaks the Pacific Northwest
Dec 7, 2023 · A powerful atmospheric river streamed toward the U.S. Pacific Northwest in early December 2023. The long current of water vapor delivered warm, wet weather to much of western Washington and Oregon, toppling daily rainfall and temperature records and escalating flood and debris flow risks.
Atmospheric Rivers Could Become Stronger, Study Suggests
6 days ago · A new study shows that atmospheric rivers will become stronger and more impactful due to climate change. Atmospheric rivers are responsible for roughly half the annual rainfall for the West...
Here's what an atmospheric river is and how they form
Feb 28, 2022 · Meteorologists use the term to describe a flow of moisture from areas just north of Hawaii directly into the Pacific Northwest that is usually accompanied by heavy rainfall and high snow levels....
Atmospheric Rivers Drench the Pacific Northwest | NESDIS
Dec 8, 2023 · NOAA satellites are closely monitoring a strong atmospheric river that has been bringing excessive rainfall, flooding, and high elevation snow to the Pacific Northwest, a region already soaked by previous atmospheric rivers.
Potent Atmospheric Rivers Douse the Pacific Northwest
In mid-January 2021, the Pacific Northwest of North America was soaked by several episodes of heavy rainfall, leading to widespread flooding and landslides. The culprit was a phenomenon known as an atmospheric river. And this event was about as extreme as they get.
Atmospheric River Flows into the Pacific Northwest - NASA …
Dec 6, 2023 · A powerful atmospheric river streamed toward the U.S. Pacific Northwest in early December 2023. The long current of water vapor delivered warm, wet weather to much of western Washington and Oregon, toppling daily rainfall and temperature records and escalating flood and debris flow risks.
An atmospheric river is soaking the Pacific Northwest with record ... - NPR
Dec 6, 2023 · — The U.S. Coast Guard rescued five people from flooded areas on Tuesday as an atmospheric river brought heavy rain, flooding and unseasonably warm temperatures to the Pacific Northwest.
Changes in store for atmospheric rivers | NCAR & UCAR News
Dec 17, 2024 · But atmospheric rivers that crash into Northern California and the Pacific Northwest will begin to be affected instead by warmer temperatures in both the atmosphere and ocean. These temperatures will fuel more powerful storms and lead to a dramatic increase in sea level height for several days as the atmospheric river approaches the coast and ...