Radar data show an afternoon precipitation maximum in the equatorial Indian Ocean in addition to the nocturnal maximum; this occurs under light surface winds and suppressed large-scale convection.
Precipitation
Posted inNews
Hail Causes the Most Storm Damage Costs Across North America
The icy weather phenomenon leads to more than $10 billion in damages each year. Nonetheless, research on hail is lacking, scientists say.
Posted inNews
Roger Lhermitte (1920–2016)
This luminary in the field of weather radar did it all, from basic engineering to sophisticated analysis.
Posted inResearch Spotlights
What Causes Flash Floods in the Middle East?
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
The challenge of collecting and analyzing precipitation data collected at different times, in different places, and on different scales.
Posted inResearch Spotlights
How Does Snow Affect the Intensity of Mountain Precipitation?
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.
Posted inEditors' Highlights
Lightning Data Improves Precipitation Forecasts
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
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.
Posted inResearch Spotlights
California Floods Linked to Atmospheric Water Vapor “Rivers”
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.
Posted inResearch Spotlights
When Ice and Lightning Align
A new technique can remotely sense strong electrical fields within storm clouds.