A census of hundreds of slow-moving landslides in Northern California reveals an uptick in the number and speed of landslides in 2017, the second-wettest year on record.
Precipitation
Posted inNews
Congo Rain Forest Endures a Longer Dry Season
The forest’s dry season has been starting earlier and ending later for decades, making parts of it vulnerable to incursions by drought-resistant ecosystems.
Posted inResearch Spotlights
One Step Closer to a Milestone in Climate Modeling
A pair of revisions to the Energy Exascale Earth System Model improves its ability to capture late afternoon and nocturnal rainfall as well as the timing and movement of convection.
Posted inNews
Take Weather Prediction with a Grain of Salt and It Gets Better
Sea surface salinity is starting to rival other methods for seasonal rain forecasting.
Posted inEditors' Highlights
Diurnal Variation of Rainfall over the Equator Revisited
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.
Posted inNews
How Old Is the Mekong River Valley?
Granite samples collected from the Mekong River Valley reveal that the river’s path was incised roughly 17 million years ago, most likely by increased erosion from monsoon precipitation.
Posted inNews
Landslide Database Reveals Uptick in Human-Caused Fatal Slides
Records of nearly 5,000 landslides around the world show that human activities like construction, illegal mining, and hill cutting are increasingly responsible for fatal slides, particularly in Asia.
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.