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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G2 (Moderate) Geomagnetic Storming Likely 25 Jun | Monday, June 23, 2025 - 17:15 |
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R3 (Strong) Event Observed - 19 Jun 2025 | Friday, June 20, 2025 - 00:13 |
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R3 (Strong) HF Radio Blackout Event Observed | Tuesday, June 17, 2025 - 22:46 |
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R2 Moderate solar flare | Sunday, June 15, 2025 - 19:39 |
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G2 (Moderate) Geomagnetic Warning 13 Jun | Friday, June 13, 2025 - 06:33 |