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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Inaugural meeting of the Space Weather Advisory Group (SWAG) | Monday, November 29, 2021 - 21:37 |
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R1 (Minor Radio Blackout) Event on 9 November, 2021 | Tuesday, November 9, 2021 - 22:14 |
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G1-G3 (Minor-Strong) Geomagnetic Storm Conditions Continue | Thursday, November 4, 2021 - 05:13 |
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G3 (Strong) Geomagnetic Storm Conditions Reached with CME Arrival | Thursday, November 4, 2021 - 01:44 |
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(UPDATE) G1 (Minor) and G2 (Moderate) Storm Watches for 3 - 4 November, 2021 | Tuesday, November 2, 2021 - 22:55 |