pexels-eberhard-grossgasteiger-1004682 (2)
March 28, 2024

California Mountains Face Weather Whiplash

Last month’s massive snowstorm in the Sierra Nevada followed a dry start to winter. Such extremes in precipitation may become the norm.

March 25, 2024

Field-Scale Crop Water Consumption Points to Potential Water Savings in Agriculture

Using remote-sensing data and machine learning, a team from NASA and beyond finds that switching to lower-intensity crops can reduce water consumption in California’s Central Valley by 93%, but this requires adopting uncommon crop types.

March 22, 2024

Snowstorm Coats the Rockies

A potent storm pushed snowpack levels above normal across Colorado.

March 13, 2024

Climate Change Weakening River Seasonality in North

Seasonal flow variability is decreasing as climate change alters Earth’s systems, creating challenges for water management.

March 6, 2024

SWOT Observes Coastal Flooding

The Surface Water and Ocean Topography satellite provides a new view of water on land, at the coast, and in the ocean.

February 29, 2024

U.S. Cities Could Be Capturing Billions of Gallons of Rain a Day

With better infrastructure and “spongy” green spaces, urban areas have made progress but should be soaking up way more free stormwater.

January 12, 2024

NASA Confirms 2023 as Warmest Year on Record

Global temperatures last year were around 2.1 degrees Fahrenheit (1.2 degrees Celsius) above the average for NASA’s baseline period (1951-1980).

January 8, 2024

Colorful Swirls in the Gulf of Alaska

The burst of turquoise and tan hues in Alaskan waters is in stark contrast to the snowy shoreline.

January 4, 2024

California snowpack lowest in decade despite December storm hope

First survey of season shows snow at 25% of historical average, with brown patches of vegetation across Sierra Nevada.

January 2, 2024

First Snow Survey of Season Finds Below-Average Conditions for California

With above-average reservoir levels, El Niño, and a dry start to the water year, California is preparing for flood or dry conditions in the months ahead.

December 12, 2023

California Plans to Capture Winter Storm Runoff

California's Department of Water Resources encourages groundwater recharge to maximize capture of upcoming storm runoff.

December 7, 2023

Pacific North-West Cleans up after Floods, Braces for More Rain

Atmospheric rivers have pummeled the region, resulting in the deaths of two people in rushing floodwaters.

December 5, 2023

A Dusting of Snow on Hawaii’s Tallest Peaks

Snow lingered on Mauna Kea and Mauna Loa after a storm brought copious precipitation to the island chain.

December 4, 2023

Atmospheric River Flows into the Pacific Northwest

A warm, moisture-laden weather system soaked western Washington and Oregon.

November 23, 2023

Anchorage Blanketed in Snow

The Alaskan city received record snowfall in November 2023.

November 9, 2023

Floodwaters Fill Badwater Basin

Record rainfall associated with Hurricane Hilary in August 2023 created a large temporary lake in Death Valley.

December 12, 2022

Science for a Rainy Day

The NASA/USAID SERVIR program is helping Asia adapt to changing rainfall patterns.

February 12, 2021

California’s Rainy Season Now Starts a Month Later

California's annual rainy season now begins a month later than it did just 60 years ago, shifting from November to December. The results are consistent with climate models that predict drier autumns for California in a warming climate.

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. 

andi-brinn-photo copy.jpg
April 21, 2020

When it Comes to Water, Think Global

Planet Earth should be named Planet Water, with 70% of its surface covered in ocean. Yet the freshwater that sustains our lives is a precious resource. NASA is at the forefront of monitoring it from every angle.

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.

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.

August 10, 2022

Flash Floods in Death Valley

In one of the driest places on Earth, a thousand-year rain event delivered 75 percent of the yearly average precipitation in just three hours.

August 3, 2022

Extreme Rainfall Deluges The Midwest

Record-breaking rain brought devastating flash floods and landslides to the central U.S. at the end of July 2022. Climate change makes extreme precipitation and weather more likely.

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.