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rain

Improved modeling of water runoff from heavy rainfall events could help communities prepare for hazards like the 2016 flooding in Baton Rouge.
Posted inResearch Spotlights

Modeling Rainfall Runoff

by S. Hall 3 November 201615 February 2023

New framework unifies existing models for better analysis of the flowing water produced by heavy rain events.

A sign in Cochise County, Arizona, warning residents of possible Earth fissures.
Posted inNews

Earth Fissures May No Longer Get Mapped in Arizona

by JoAnna Wendel 18 July 201624 February 2022

A program that monitors giant cracks in the ground that suddenly appear after heavy rain could become a casualty of budget cuts to the Arizona Geological Survey.

Waves on the Pacific Ocean seen from Maui, Hawaii
Posted inScience Updates

Closing the Pacific Rainfall Data Void

by E. E. Wright, J. R. P. Sutton, N. T. Luchetti, M. C. Kruk and J. J. Marra 7 July 201615 February 2023

A new climatology tool uses satellite data to map precipitation in a data-sparse region of the Pacific Ocean.

Shower over central Netherlands.
Posted inResearch Spotlights

What Causes Heavy Rainfall?

by W. Yan 30 June 201620 March 2023

Scientists investigate atmospheric conditions that correlate to heavy rainfall in the midlatitudes.

Posted inResearch Spotlights

Defining the Onset and End of the Indian Summer Monsoon

by Sarah Stanley 15 June 201616 March 2023

A new, objective definition of the onset of the summer monsoon could improve predictions of rainfall in India.

Satellite image showing a textbook Intertropical Convergence Zone (ITCZ) on 24 November 2010 that stretches all the way across the Pacific Ocean.
Posted inResearch Spotlights

Tropical Rainfall Intensifies While the Doldrums Narrow

by Sarah Stanley 6 May 20168 March 2022

Scientists show long-term changes in the Intertropical Convergence Zone's location, extent, and rainfall intensity.

water-eroded-hill-sedgwick-reserve-santa-barbara
Posted inResearch Spotlights

Hitting the Slopes

by W. Yan 24 March 201625 October 2022

Researchers investigate whether rain droplets alone can cause enough erosion to impact the shapes of hills.

Posted inResearch Spotlights

The Unique Radar Signature of Rain Falling on Water

by Mark Zastrow 19 February 201614 January 2022

If rain falls on an ocean and nobody's there to see it, how can we determine its effect on the Earth's climate? A new study shows us how space-based radar could help.

Posted inResearch Spotlights

Distant Rains Contributed to La Niña Ocean Warming Event

by Sarah Stanley 12 February 201616 November 2021

Unusually low salinity intensified a warm-water current off the coast of Western Australia in 2010–2011.

Posted inNews

Mercury in Rain Increasing in Western and Central United States

by C. Sullivan 2 February 201613 March 2023

Despite tightening emissions rules, mercury concentrations are rising in rainfall wetting western and central regions of the United States. The pollutant may waft in from Asia, scientists speculate.

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