NOAA Reports Severe G4 Geomagnetic Storm on January 19, 2026
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Summary
The article reports on a severe G4 geomagnetic storm that occurred on January 19, 2026, as monitored by NOAA's Space Weather Prediction Center. The storm reached severe levels and was caused by a coronal mass ejection from the Sun. The article details the impacts of such storms on Earth's technological infrastructure, including potential disruptions to electric power grids, GPS systems, high-frequency radio communications, satellite operations, and increased satellite drag. It also mentions NOAA's monitoring and warning systems for space weather events.
Key quotes
· 4 pulledG4 (Severe) Geomagnetic Storm Levels Reached 19 Jan, 2026 | NOAA
Space Weather Prediction Center National Oceanic and Atmospheric Administration
Impacts: Electric Power Transmission, GPS Systems, HF Radio Communications, Satellite Communications, Satellite Drag
Thursday, April 09, 2026 17:26:26
https://www.swpc.noaa.gov/products/goes-proton-flux
Comments URL: https://news.ycombinator.com/item?id=46684056
Points: 15
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