Hydrology Archives

July 18, 2025

Climate change is warming the North Pacific Ocean, leading weather patterns that drive drought in the U.S. Southwest to persist...

NIDIS: Digging Into the Significance of Soil Moisture at the 2025 National Soil Moisture Workshop

NIDIS

Hydrology

July 8, 2025

By NIDIS On the second morning of the 2025 National Soil Moisture Workshop, keynote speaker Syed Huq reminded the audience:...

EOS: Years-old groundwater dominates spring mountain streams

American Geophysical Union

Hydrology

July 3, 2025

Alpine rain and snow take much longer to percolate into western U.S. streams than previously thought, adding complexity to long-standing hydrologic models. By Mark DeGraff, EOS As winter gives way to spring, seasonal snowpack in the American West begins to...

WATER DESK: Q&A: Snow droughts imperil the American West’s water supply

The Water Desk

Hydrology

June 19, 2025

A lack of snow impacts the West’s water resources, wildfire risk, recreational activities and ecosystem health. By Mitch Tobin, Water...

DESERT RESEARCH INSTITUTE: Wet soils increase flooding during atmospheric river storms

Desert Research Institute

Hydrology

June 13, 2025

A new study examined decades of atmospheric river storms across the West Coast to pinpoint the conditions that lead to...

UCSB: The atmosphere’s growing thirst is making droughts worse, even where it rains

UC Santa Barbara

Hydrology

June 5, 2025

By Harrison Tasoff, UC Santa Barbara Hot air holds more moisture. That’s why you can blow your hair dry even after a steamy shower. It’s also what dumps rain in the tropics and sucks water from desert soils. A new...

UNIVERSITY OF UTAH: Spring runoff is older than you think

University of Utah

Hydrology

June 4, 2025

New research finds water flowing out of Western ranges is, on average, more than 5 years old, demonstrating that runoff...

NIDIS: Drought brings the heat: New research finds drought lengthens heat waves

NIDIS

Hydrology

May 15, 2025

By NIDIS Drought and heat often appear together, but new research funded by NOAA’s National Integrated Drought Information System found...

The growing impact of ENSO on extreme drought and flood events

NOAA Research

Hydrology

April 28, 2025

By NOAA’s Atlantic Oceanographic & Meteorological Laboratory Extreme hydroclimate events, such as droughts, floods, and heavy rainfall, account for a substantial portion of weather-related disasters in the United States, leading to significant socio-economic losses involving agriculture, water resources, and public...

NASA tracks snowmelt to improve water management

NASA/JPL

Hydrology

April 25, 2025

By Erica Heim, NASA As part of a science mission tracking one of Earth’s most precious resources – water – NASA’s...

EOS: Modeling the past, present, and future of drought

American Geophysical Union

Hydrology

April 18, 2025

A new study combines historical observations, climate modeling, and data from tree rings to create a fuller picture of historic...

DESERT RESEARCH INSTITUTE: Blurring the line between rain and snow: the limits of meteorological classification

Desert Research Institute

Hydrology

April 1, 2025

A new study demonstrates how community scientists with the Mountain Rain or Snow initiative are helping to improve winter weather forecasting. From the Desert Research Institute: A new study published in Nature Communications utilizes insights gleaned from DRI’s Mountain Rain...

NASA takes to the air to study wildflowers

NASA/JPL

Hydrology

March 26, 2025

For many plant species, flowering is biologically synced with the seasons. Scientists are clocking blooms to understand our ever-changing planet....

WATER DESK: 9 graphics that visualize EPA’s climate change indicators for snow

The Water Desk

Climate change Hydrology

March 7, 2025

The downward trajectory for snow carries serious consequences for water supplies, wildlife habitat, wildfire activity and outdoor recreation. By Mitch...

NOAA: The weather and climate influences on the January 2025 fires around Los Angeles

NOAA Research

Hydrology Wildfires and watersheds

February 22, 2025

Highlights A trifecta of fire-friendly climate conditions set the stage for the January 2025 fires: back-to-back wet winters that boosted vegetation, a record-dry fall, and an extremely strong Santa Ana wind event. By one estimate, record-low fall precipitation had a...

Hydrology

INSIDE CLIMATE NEWS: Southwestern drought likely to continue through 2100, research finds

NIDIS: Digging Into the Significance of Soil Moisture at the 2025 National Soil Moisture Workshop

EOS: Years-old groundwater dominates spring mountain streams

WATER DESK: Q&A: Snow droughts imperil the American West’s water supply

DESERT RESEARCH INSTITUTE: Wet soils increase flooding during atmospheric river storms

UCSB: The atmosphere’s growing thirst is making droughts worse, even where it rains

UNIVERSITY OF UTAH: Spring runoff is older than you think

NIDIS: Drought brings the heat: New research finds drought lengthens heat waves

The growing impact of ENSO on extreme drought and flood events

NASA tracks snowmelt to improve water management

EOS: Modeling the past, present, and future of drought

DESERT RESEARCH INSTITUTE: Blurring the line between rain and snow: the limits of meteorological classification

NASA takes to the air to study wildflowers

WATER DESK: 9 graphics that visualize EPA’s climate change indicators for snow

NOAA: The weather and climate influences on the January 2025 fires around Los Angeles

DAILY DIGEST, 7/18: The impact of climate change on stormwater management; Budget cuts threaten long-term monitoring; Guiding California’s land transitions toward justice and equity; Southwestern drought likely to continue through 2100, research finds; and more …