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
DAP - temp Head Section
News Archive
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G4 (Severe) Storm Levels Reached! | Wednesday, November 12, 2025 - 01:40 |
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G4 (Severe) Watch in Effect for 12 November | Tuesday, November 11, 2025 - 17:21 |
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Another, Faster Moving CME Blasts from the Sun Early on 11 November | Tuesday, November 11, 2025 - 15:11 |
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Veteran's Day fireworks! X5.1 flare (R3-Strong) from Region 4274 | Tuesday, November 11, 2025 - 10:45 |
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Geomagnetic Storm Watches for 11-13 November | Monday, November 10, 2025 - 21:30 |