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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Notice of Potential Service Disruption at SWPC | Wednesday, January 6, 2021 - 19:23 |
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Geoelectric Field Model Responses to Sudden Impulse on 10 Dec, 2020 | Tuesday, December 15, 2020 - 17:07 |
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Update - Downgrade for CME Peak Activity Forecast | Thursday, December 10, 2020 - 08:23 |
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What is a Coronal Mass Ejection (CME)? | Tuesday, December 8, 2020 - 21:24 |
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NWS Winter Safety Campaign | Tuesday, December 1, 2020 - 16:34 |