NOAA Winter Outlook: Warmer, Drier In Southern Tier, Cooler, Wetter In Northern Tier

NOAA’s winter forecast for the U.S. favors warmer, drier conditions across the southern tier of the U.S., and cooler, wetter conditions in the North, thanks in part to an ongoing La Nina.

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Labor Day Fires: Four Willamette Valley Dams, Fish Facilities Surrounded, Threatened By Fire, No Serious Damages; Scorched Soil Brings Flood Risks

Dam safety can be a gloomy business at times. In order to protect a dam, engineers must first brainstorm all the different ways the structure could possibly fail. It’s a strategy of predicting and preparing for the worst.

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Washington DOE Distributes $22 Million For Streamflow Restoration In 16 Watersheds

Communities around the state will soon receive grant funds to support projects that protect rivers and improve streamflows. The Washington Department of Ecology is investing up to $22 million in 21 high priority projects located in 16 watersheds.

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Forest Service Researchers In California Look At How Thinning, Prescribed Fire Can Reduce Tree Mortality During Drought

To date in 2020, 1,217 wildfires have burned 1,473,522 million acres of National Forest System lands in California; 8,486 wildfires have burned over 4 million acres across all jurisdictions in California.

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Corps, Portland District, Warns Of Potential Significant Flooding In Wake Of Historic Wildfires

The upcoming rainy season, combined with the historic wildfires in Oregon, set the stage for increased flooding conditions according to Portland District, U.S. Army Corps of Engineers officials. The potential for damage from these floods in the Willamette Valley, in the Umpqua River Basin, and along the Rogue River are significant.

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With Deschutes Basin Water Stretched Thin, Plans For New ‘On-Farm’ Irrigation Efficiencies Program Announced

The Deschutes River Conservancy and Central Oregon Irrigation District this week announced plans for a new on-farm program that will increase on-farm irrigation efficiencies and conserve water.

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Record Spring Chinook Return At Willamette Valley’s Fall Creek Dam, Reservoir Drawdown To Move Juveniles A Factor

The U.S. Army Corps of Engineers report a record return of spring chinook salmon this year at Fall Creek Dam.

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Corps’ Portland District Closes Recreation Areas Near Several Dams Due To Willamette Valley Fires

Due to multiple fires burning throughout the Willamette Valley, the U.S. Army Corps of Engineers, Portland District is closing several recreation areas it manages near its dams.

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For Second Time, Columbia/Snake River Fisheries Managers Reject Raising Lower Granite Pool To Aid Grain Shipments

For the second consecutive week, fisheries managers at the multi-agency Technical Management Team denied the Port of Clarkston a request to raise the Lower Granite Dam reservoir one and a half feet above the normal minimum operating pool (MOP +2) to provide more depth for barges loading grain at the port’s docks.

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River Managers Reject Request To Raise Lower Granite Pool To Aid Barge Loading At Clarkston Port; Concerns About Temperature Impacts To Salmon

With wheat harvest in full swing, the Lewis-Clark Terminal on the lower Snake River at the Port of Clarkston is having difficulties loading barges due to shallow water as the result of sediment buildup at the facilities. On Wednesday, the port requested that river operators raise the Lower Granite Dam reservoir up to a foot-and-a- half more to provide some more wiggle room for loading.

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Final Plans Approved For Extensive Irrigation Infrastructure Modernization In Hood River Watershed; Piping 56 Miles Will Keep More Water Instream For Fish

Plans to modernize East Fork Irrigation District’s irrigation infrastructure in Oregon’s Hood River watershed have been approved to move forward into construction.

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Study Looks At How Region Formed By Uplifting Of Columbia River Basalts, Youngest Flood Basalt Province On Earth

Uplifting of Columbia River basalts has allowed University of Oregon researchers to better understand of how magma 14-16 million years ago shaped the region and why greenhouse gases released during a series of volcanic eruptions did not trigger a global extinction event.

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Study: Rising Water Temperatures In Spawning Areas Threaten Mating Ability Of 60 Percent Of World’s Fish Species

Because fish that are ready to mate and their young are especially sensitive to changes in temperature, in the future up to 60 percent of all species may be forced to leave their traditional spawning areas, says a new study.

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Flathead Watershed Study Unlocks Mystery Of Subterranean Stoneflies In Alluvial Aquifers, Hotspots Of Biodiversity

In a new study, researchers from the University of Montana's Flathead Lake Biological Station may have unlocked a mystery surrounding unique aquatic insects in the Flathead watershed.

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What Happens To Power Grid During Drought, Less Hydro? California Study Looks At Financial, Economic, Environmental Impacts

Drought can mean restrictions for watering the lawn, crop losses for farmers and an increased risk of wildfires. But it can also hit you and your power company in the wallet.

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American Falls Reservoir Angler Nets New Catch-Release Record For Rainbow Trout In Idaho

Brett Jones of Rock Springs Wyoming reeled in a new catch-and-release Idaho record for rainbow trout.

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Though Drought Conditions Persist, Columbia Basin Water Supply Forecast (Dalles Dam Flows) Stands At 107 Percent Of Normal, April-September

Even with heavy May rainfall, most of the Columbia River basin, including the Willamette River basin, is predicted to be at some level of drought – abnormally dry to severe – in the coming months, according to the U.S. Drought Monitor.

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With Enough Spring Chinook In Lower Snake Now Passing Little Goose Dam, Idaho Rescinds Spill Change Request

Spring operations at Little Goose Dam on the lower Snake River this last weekend apparently resulted in enough spring chinook passing the dam that Idaho on Monday (June 8) rescinded a request made last week, along with NOAA Fisheries and the Nez Perce Tribe, at the interagency Technical Management Team meeting.

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Spill For Juvenile Fish Migration At Lower Snake Dams Holding Back Adult Spawners Headed For Idaho; River Managers Discuss Possible Operations Change

A proposal aimed at reducing travel time and passing more adult spring chinook salmon on the lower Snake River at Little Goose Dam was “elevated” to a higher task force for a decision this week at the interagency Technical Management Team meeting Wednesday, June 3.

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New Flexibility At Nuclear Plant Helps Bonneville Power Manage Power Oversupply During Spring Runoff

BPA exclusively markets the power from the Columbia Generating Station located in southeastern Washington. Owned by Energy Northwest, the nuclear power plant is the third largest energy producer in the Northwest behind Grand Coulee and Chief Joseph dams.

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Can California’s Endangered Salmon Survive Continued Drought? Pools Serving As Drought Refuges Crucial

Increased frequency and severity of droughts threatens California's endangered salmon population--but pools that serve as drought refuges could make the difference between life and death for these vulnerable fish, according to a study by researchers from UC Berkeley and California Sea Grant, a partnership between NOAA and Scripps Institution of Oceanography at the University of California San Diego.

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Increasing Aridity Clear Trend Across The West; Declining Flows, Drier Soils, Tree Death, Stressed Crops, Wildfires, Protracted Drought

Discussions of drought often center on the lack of precipitation. But among climate scientists, the focus is shifting to include the growing role that warming temperatures are playing as potent drivers of greater aridity and drought intensification.

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Columbia/Snake White Sturgeon: From Bonneville Dam To The Snake River Each Reservoir Has Own Issues

Fisheries managers say the health of white sturgeon populations in the Columbia River is healthy, but there is a paucity of detailed abundance data from the Snake River, and that each zone – lower Columbia, Bonneville Dam to McNary Dam and the Snake River –has its own issues.

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Lewiston Angler Breaks Smallmouth Bass Catch/Release State Record At Dworshak Reservoir

Dustin Shepherd of Lewiston, Idaho broke the most recent catch and release state record for smallmouth bass.

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Guest Column: Low Willamette Valley Reservoirs Could Use Some Rain Soon; ‘Going To Be A Very Tough Year’

Last spring, communities across the Willamette Valley watched rivers and reservoirs swell rapidly as a tropical storm delivered historic late-season rainfall. And as some battled flooding -- and others the threat of I -- the reality was abundantly clear: We had more water than we could handle.

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