Radar data from storm-tracking scientists reveal that twisters’ winds churn 30% faster near Earth’s surface than above 100 meters, where measurements usually are taken.
radar & radio
Posted inResearch Spotlights
Scientists Can Now Map Lightning in 3D
A new approach enables meter-scale localization of lightning strikes. And it’s already illuminating the basic physics of the phenomenon.
Posted inResearch Spotlights
A Close Look at Melting Below Antarctica’s Largest Ice Shelf
Radar data reveal where, when, and how fast the base of the Filchner-Ronne Ice Shelf has been losing mass in recent years.
Posted inNews
Monitoring Moisture from Afar
Undisturbed tropical rain forests are experiencing more frequent droughts, but the ecosystems are isolated and difficult to assess. Scientists are using remote sensing to expand the depth and scope of monitoring efforts.
Posted inNews
Gigantic Jet of Lightning Mapped over Oklahoma
The most powerful gigantic jet ever recorded fortuitously appeared over a sensor array in Oklahoma, enabling scientists to map the structure of the phenomenon for the first time.
Posted inEditors' Highlights
Advanced Real-Time Prediction of Storms With 30-Second Refresh
A new-generation weather radar and a massive supercomputing system enables forecasts of storms refreshed every 30 seconds, a significant development in severe weather prediction.
Posted inEditors' Highlights
Radar Diagnosis of the Thundercloud Electron Accelerator
Altitude-resolved S-band radar observations of graupel are used to decipher thunderstorm ground enhancements in surface electric field and gamma ray flux.
Posted inNews
Newly Discovered Lake May Offer a Glimpse into Antarctica’s Past
Scientists dive in—metaphorically—to Lake Snow Eagle, only recently revealed through ice-penetrating radar.
Posted inEditors' Highlights
Amateur Radio Observations Help Monitor Space Weather
Amateur radio observations provide a new method for studying large-scale ionospheric disturbances and HF communication impacts, and are important applications in ionospheric space weather monitoring.
Posted inNews
Impact Structure Hidden Under Arctic Ice Dates to the Paleocene
Greenland’s Hiawatha impact structure, more than 30 kilometers in diameter, is much older than previously thought, new results suggest.