Cross-tropopause ozone transport in midlatitude cyclones, coincident with dry air intrusions, is derived from satellite and reanalysis data organized in cyclone-centric coordinates.
Journal of Geophysical Research: Atmospheres
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
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 inEditors' Highlights
Addition by Subtraction: Raising the Bar for Satellite Imagery
When it comes to forecaster analysis of complex satellite imagery, less can be more, and a new technique aims to simplify imagery interpretation by suppressing the background noise.
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 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 inResearch Spotlights
Ocean Showers Power the Global Electric Circuit
Satellite measurements confirm hundred-year-old observations collected by boat.
Posted inResearch Spotlights
The Microphysics of Squall Lines
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.
Posted inResearch Spotlights
How the Micrometeorology of Alpine Forests Affects Snowmelt
A field study in the Swiss Alps showed considerable spatial and temporal variability in forest air and surface temperatures, with implications for snowmelt models.
Posted inResearch Spotlights
New Data Record Extends History of Global Air Pollution
Researchers extend long-term aerosol records to the past 40 years by combining two existing algorithms to process satellite data over both land and sea.