Spaceborne lidar shows that more ice than expected is leaving the tropical tropopause layer in the atmosphere.
Cloud physics and chemistry
Posted inEditors' Highlights
A Global View of Shapes and Sizes of Ice Crystals in Cloud Tops
Ice particles have systematic covariations and temperature dependences that are surprisingly consistent with a simple ice growth theory as revealed by satellites.
Posted inNews
Researchers Quantify a Seeded Snowpack
In Idaho, three hour-long cloud-seeding events created the snow equivalent of about 282 Olympic-sized swimming pools’ worth of water.
Posted inEditors' Highlights
Microphysics and Positive Lightning in Hokuriku Winter Clouds
The microphysics of the frequent, and frequently positive, lightning of Hokuriku winter clouds was investigated by systematic, in situ observation of individual precipitation particle type and charge.
Posted inEditors' Highlights
New Observations of Thunderstorm Updrafts and Downdrafts
Unique measurements of air motion within deep convective clouds offer new insights in our understanding of these storms and provide constraints for weather and climate prediction.
Posted inNews
Science Explains “Rough and Chaotic” Cloud Feature
Research on the newest entry in the International Cloud Atlas produces insights into what these cloud features are made of and how they form.
Posted inScience Updates
Designing Mountaintop Cloud Experiments
Whiteface Mountain Cloud Chemistry Workshop; Wilmington, New York, 16–17 September 2016
Posted inScience Updates
Meteorologists Track Wildfires Using Satellite Smoke Images
Enhancements to the National Oceanic and Atmospheric Administration's decision support system give forecasters new capabilities for tracking smoke from fires using satellite data.
Posted inScience Updates
Understanding Causes and Effects of Rapid Warming in the Arctic
A new German research consortium is investigating why near-surface air temperatures in the Arctic are rising more quickly than in the rest of the world.
Posted inResearch Spotlights
When Thunderstorms Have Wings
A new study uncovers the origin of a gull wing–shaped cirrus cloud above an Argentinian thunderstorm captured in satellite images.