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 Passage Continues Today, 16 Apr 2025 | Wednesday, April 16, 2025 - 14:34 |
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CME Passage Continues; G3-G4 Still Possible Tonight, June 1st | Sunday, June 1, 2025 - 17:57 |
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CME Passage of 16-17 April Continues | Wednesday, April 16, 2025 - 22:32 |
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CMEs arrived on 11 Aug and Passage Continues - G4 (Severe) Reached | Monday, August 12, 2024 - 16:19 |
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Comet 96P Machholz Observed by NASA/SOHO Instrument | Wednesday, February 1, 2023 - 18:05 |