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
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CME Arrival at Earth has Occurred and Warnings have been Issued | Thursday, October 10, 2024 - 15:52 |
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CME Arrival Led to G1-G2 (Minor-Moderate) Storm Levels | Monday, October 7, 2024 - 14:22 |
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CME Arrived; G3 (Strong) storm observed; G4 (Severe) storm expected | Sunday, June 1, 2025 - 08:07 |
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CME Associated with X1 Flare on 28 March 2024 to Miss Earth | Friday, March 29, 2024 - 01:42 |
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CME Influence Continues | Saturday, September 13, 2014 - 14:26 |