Two lightning flashes were observed in the same location: One produced a bright gamma-ray flash with about 1000 counts per millisecond, but the other did not.
clouds
Posted inEditors' Vox
Atmospheric Aerosol in the Changing Arctic
Warming and sea ice loss in the Arctic are affecting the complex interactions between the atmosphere, ocean, land, and ice-covered areas, including the formation and transport of aerosol.
Posted inNews
Could Life Be Floating in Venus’s Clouds?
If present, microbes could explain evolving patterns in the planet’s atmosphere when observed in ultraviolet light.
Posted inEditors' Vox
How Many Water Droplets Are in a Cloud?
The number of droplets in clouds affects how much of the Sun’s warming energy is reflected back to space. But how reliable are our attempts to count them?
Posted inNews
New Juno Data Reveal Four Key Secrets of Jupiter
Deep clouds, polar storms, lopsided gravity, and a uniformly rotating interior demonstrate that the gas giant plays by different rules than Earth.
Posted inScience Updates
Around the World in 84 Days
In the Stratéole 2 program, set to launch in November 2018, instruments will ride balloons into the stratosphere and circle the world, observing properties of the air and winds in fine detail.
Posted inEditors' Highlights
What Will Redwood Trees Do Without Foggy Days?
Coastal California fog—a key source of water for the iconic redwood tree—has declined by a third. Can a trace gas, carbonyl sulfide, be used to assess the effect on plant productivity?
Posted inEditors' Highlights
Listening to the Clouds
The assimilation of cloud-cleared infrared data improves numerical weather forecasting, especially for hurricanes, by providing thermodynamic information in cloudy atmosphere.
Posted inResearch Spotlights
Atmospheric Particles Aren’t the Same Cloud Seeds They Once Were
Still, more than half of the seeds required for cloud droplets to form in both the present-day and preindustrial atmospheres are made by trace gases that condense to form minute aerosol particles.
Posted inAGU News
Nakajima Receives 2017 Yoram J. Kaufman Unselfish Cooperation in Research Award
Teruyuki Nakajima will receive the 2017 Yoram J. Kaufman Unselfish Cooperation in Research Award at the 2017 American Geophysical Union Fall Meeting, to be held 11–15 December in New Orleans, La. The award recognizes “broad influence in atmospheric science through exceptional creativity, inspiration of younger scientists, mentoring, international collaborations, and unselfish cooperation in research.”