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precipitation

Posted inNews

Roger Lhermitte (1920–2016)

by E. Williams 22 May 201825 February 2022

This luminary in the field of weather radar did it all, from basic engineering to sophisticated analysis.

Researchers examine large-scale meteorological processes behind extreme precipitation events in the Middle East
Posted inResearch Spotlights

What Causes Flash Floods in the Middle East?

Kate Wheeling, freelance science writer by Kate Wheeling 26 March 201824 October 2022

Researchers zero in on the large-scale meteorological processes driving extreme precipitation events in the hot, arid desert region.

Posted inEditors' Vox

Counting Every Drop

by Chiyuan Miao 14 March 201818 February 2022

The challenge of collecting and analyzing precipitation data collected at different times, in different places, and on different scales.

New modeling analyzes how snow affects the intensity of mountain precipitation in a changing climate
Posted inResearch Spotlights

How Does Snow Affect the Intensity of Mountain Precipitation?

by Terri Cook 24 January 20186 February 2023

A new investigation into the sensitivity of extreme precipitation in a changing climate indicates that more winter rainfall and protracted snowmelt may require local adaptations to winter flooding impacts.

Researchers reassess how water circulates between ocean and land
Posted inResearch Spotlights

Rethinking How Water Circulates Between the Oceans and Land

by Terri Cook 11 January 201813 February 2023

A reexamination of the global water cycle shows that tropical coastlines exert a profound influence on atmospheric water circulation by wringing water vapor from the atmosphere.

Flooding from Hurricane Harvey in Port Arthur, Texas.
Posted inNews

Weight of Water Dropped by Hurricane Harvey Flexed Earth’s Crust

by S. Montanari 14 December 201718 February 2022

The precipitation that fell during the storm depressed the ground in parts of Texas, Louisiana, Arkansas, and Mississippi by as much as 1.8 centimeters in some places.

Posted inEditors' Highlights

Lightning Data Improves Precipitation Forecasts

by Minghua Zhang 22 November 20178 March 2022

Short-term forecasts of precipitation and convection can be improved when lightning data are assimilated in the Weather Research and Forecasting system.

Posted inEditors' Vox

Stories in the Soil

by T. Papanicolaou 17 October 201715 November 2021

A series of field experiments in the U.S. Midwest is investigating how past, present, and future human activities and climate affect the health of soil.

Researchers look at raindrop size to understand the mechanics behind thunderstorm squall lines.
Posted inResearch Spotlights

The Microphysics of Squall Lines

Sarah Stanley, Science Writer by Sarah Stanley 16 October 201712 October 2022

Scientists tracked the distribution of raindrops of different sizes as a row of thunderstorms formed by a cold front developed and intensified over eastern China.

Researchers examine how the impact of atmospheric streams of water vapor varies across California
Posted inResearch Spotlights

California Floods Linked to Atmospheric Water Vapor “Rivers”

Sarah Stanley, Science Writer by Sarah Stanley 26 September 201730 January 2024

Narrow atmospheric streams of water vapor that deliver heavy rains are more commonly associated with floods and debris flows in northern California than with flash floods in southern California.

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