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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Geomagnetic Storm Watch is in Effect for 30-31 Oct. | Friday, October 29, 2021 - 01:56 |
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S1 (Minor) Radiation Storm 28 October, 2021 | Thursday, October 28, 2021 - 18:39 |
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X1 Flare (R3 Radio Blackout) Event on 28 October, 2021 | Thursday, October 28, 2021 - 17:29 |
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Soliciting Comments on Terminating the Legacy Wang Sheeley Arge Website | Thursday, October 21, 2021 - 18:23 |
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The CME from 9 October, 2021, arrived early on 12 October UTC-day | Tuesday, October 12, 2021 - 15:52 |