Previous SWPC news items.
NOAA Scales mini
R1 (Minor) Radio Blackout Impacts
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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CME Passage Continues Today, 16 Apr 2025 | Wednesday, April 16, 2025 - 14:34 |
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G3 Watch for 16 Apr 2025 | Monday, April 14, 2025 - 17:51 |
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New Coronagraph Page Available | Tuesday, April 8, 2025 - 16:07 |
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R2 (Moderate) HF Radio Blackout Event on 01 Apr, 2025 | Tuesday, April 1, 2025 - 07:09 |
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S1 (Minor) Storm on 31 March | Monday, March 31, 2025 - 21:17 |