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August 24, 2022

Lake Powell Still Shrinking

The second largest reservoir in the United States now stands at its lowest level since it was filled in the mid-1960s.

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August 23, 2022

Rio Grande Runs Dry, Then Wet

Residents of Albuquerque saw a dry riverbed for the first time since 1983.

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August 13, 2022

More Evidence of California's Extreme Weather Trend

New research shows the risk of hazardous weather is increasing in the Southwest U.S. More hot, dry winds, less rainfall and greater numbers of winter wildfires are the result.

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August 12, 2022

The Great Shrinking Lake

In summer 2022, water levels in the Great Salt Lake dropped to new record lows. Increased water diversions and climate change are responsible.

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August 5, 2022

Building Resilience as The Colorado River Dwindles

Policymakers, industry and conservation players, and tribal members explore paths to a sustainable future for the millions who rely on the “lifeblood of the American West.”

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July 29, 2022

Tracking Deluge And Drought Through Soil Moisture

The changing state of U.S. soils has big implications for farmers and crop production. Our Crop-CASMA soil moisture tool shows how soil has changed over the past year in the U.S. from soaked to dry.

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July 22, 2022

Nasa Images Show a Withering Lake Mead

Water in Lake Mead - the U.S.' largest reservoir - is at its lowest level since 1937 when the reservoir was filled for the first time. At just 27% capacity, NASA images offer a stark illustration of climate change and a long-term drought that may be the worst in the U.S. West in 12 centuries.

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June 28, 2022

Rare ‘Triple’ La Niña Climate Event Looks Likely

La Niña may be sticking around, unusually, for a third year running. This ‘triple dip’ event — lasting three years in a row — has happened only twice since 1950. It could mean more drought in the southern U.S. and become more regular as the planet warms.

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June 27, 2022

U.S. Megadrought is Worst For Over 1,000 Years

Vast swathes of the western U.S. are currently being affected by a megadrought, which started in 2000 and is almost in its 23rd year. Recent research suggests this ranks as the driest 22-year period in southwestern North America since at least 800 C.E.

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June 24, 2022

California’s Largest Reservoirs Are Critically Low

Images from Lake Oroville and Lake Shasta compiled by the state show ‘a shocking drop in water levels’ compared to years past. California, like much of the U.S. West can expect a searing, dry summer ahead.

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May 11, 2021

California Expands Drought Emergency to Large Swath of State

After one of the warmest, driest springs on record, most of the American west is in extensive drought. Amid acute water shortages in northern and central California, a drought emergency has been expanded to a large swath of the state.

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April 22, 2021

Using Floodwater to Weather Droughts

Floodwaters aren't what most would consider a blessing. But they could help remedy California’s increasingly parched groundwater systems, according to a new study.

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April 9, 2021

Climate Change Devastates Housing Security

In 2020, there were 22 billion-dollar U.S. climate disasters - floods, storms, droughts, heatwaves. One third of U.S. homes are at high risk from natural disaster, with many homeowners bearing the brunt of costly repairs.

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April 5, 2021

WWAO Passes Baton to U.S. Dept. of Agriculture

We have liftoff! NASA WWAO's new Soil Moisture Data System is operational and has been handed off to its partner, the U.S. Department of Agriculture, as the project comes to a close.

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December 13, 2020

Connecting The Drops - Nikki Tulley, Navajo Nation

Nikki Tulley is a member of the Navajo Nation working with WWAO on its Navajo Drought Project. She explains why she's on a mission to help her community protect its most vital resource: water.

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December 11, 2020

WWAO Passes The Baton to The Navajo

We have liftoff! NASA WWAO's new Drought Severity Tool is operational and has been handed off to its tribal partner, the Navajo Nation, as the project comes to a close.

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December 9, 2020

NASA-Navajo Drought Tool User Guide Launched

WWAO's Navajo Nation Drought Tool User Guide is now live. This marks a milestone in the transition of our Navajo Drought Project from research to decision makers, and is key to building capacity within the Navajo community to use the tool. 

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July 20, 2020

Carrying Water For The Community

Water is critical for the arid, underserved Navajo Nation. Carlee McClellan, Navajo hydrologist, is working with WWAO to deliver a space-based solution for monitoring water availability. 

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April 19, 2020

Tracking Water For The Navajo

A new web tool designed by WWAO scientists could help the Navajo Nation anticipate and respond to drought. The latest maps give insight into the moderate to severe drought conditions affecting much of the area.

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March 31, 2020

Seeking Relief From Drought, Navajo Turn to NASA

On the Navajo Nation, access to drinking water is limited. Over 40 percent of homes lack running water. The community is hit by frequent, pervasive drought. WWAO is developing a new drought tool that, with the help of satellite data, will enable Navajo water managers to hone in on drought severity and better manage the water they have.

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July 20, 2021

NASA Images Hone in on California’s Severe Drought

California’s reservoirs are rapidly drying up and the water level in Shasta Lake — the largest reservoir in the state — has dipped to about 35% of its capacity. The L.A. Times spoke to WWAO about how the drought looks from space.

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July 7, 2021

NASA Strengthens Our Resilience to Drought

In the face of severe west-U.S. drought, NASA has launched a new page highlighting its eyes on the drought, which are helping track and monitor the ongoing drought, predict how much water will be available, and improve how we use the water we have.

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June 18, 2021

California Reservoirs Reflect Deepening Drought

Four years after California emerged from a severe multi-year drought, the state’s precipitation and lake levels are among their worst since the 1970s. The deepening drought is seen in satellite images of the state’s two largest reservoirs.

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June 15, 2021

Western Soils And Plants Are Parched

For the second year in a row, drought has overtaken much of the U.S. from the Rocky Mountains to the Pacific Coast. Our Crop-CASMA soil moisture data portal, jointly developed with the U.S. Department of Agriculture, reflects the dry times.

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January 14, 2021

2020 Was Warmest Year on Record

2020 was a rough year for planet Earth, and NASA found it was the hottest on record. Our warming planet fanned the flames of extreme wildfires, drought and hurricanes.

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December 14, 2020

The Drying U.S. West

A serious drought has flared up across half of the United States, with about a third of the country suffering from extreme or exceptional drought. This familiar story has been playing out for the past two decades.