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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Two R3 Strong Radio Blackouts in past 12 hours | Tuesday, May 14, 2024 - 13:44 |
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Underway - System Testing and Maintenance | Thursday, December 2, 2021 - 19:33 |
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Update - Downgrade for CME Peak Activity Forecast | Thursday, December 10, 2020 - 08:23 |
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Update - G4 Storm Observed - Sunday April 23, 2023 | Sunday, April 23, 2023 - 22:46 |
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Update - Geomagnetic Storm has re-strengthened from a G3 to G4 | Monday, April 24, 2023 - 05:31 |