Previous SWPC news items.
NOAA Scales mini
HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact.
Navigation: Low-frequency navigation signals degraded for brief intervals.
More about the NOAA Space Weather Scales
Navigation: Low-frequency navigation signals degraded for brief intervals.
News Archive
News Archive
Originally Posted | ||
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G3-Strong Geomagnetic Storming Observed | Monday, March 7, 2016 - 01:20 | |
G4 (Severe) Geomagnetic Storm Alert on 24 March UTC-Day | Friday, March 24, 2023 - 04:41 | |
G4 Alert: Another storm reaches severe levels | Monday, June 22, 2015 - 19:41 | |
Geoelectric Field Map Update to 3D empirical conductivity model | Tuesday, March 8, 2022 - 15:11 | |
Geoelectric Field Map Upgrade to 3D Empirical Conductivity Model | Thursday, September 24, 2020 - 18:53 |