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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G1 Minor Storm Watch issued for 07 July 2023 | Tuesday, July 4, 2023 - 19:58 |
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R3 (Strong) HF Radio Blackout Event 02 July, 2023 UTC-Day | Monday, July 3, 2023 - 04:05 |
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Space Weather Prediction Testbed Website Goes Live! | Wednesday, June 21, 2023 - 21:32 |
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Joint US-Canada 1D Geoelectric Field Map goes into SWPC operations | Wednesday, June 21, 2023 - 19:20 |
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Region 3341 produces an X1.1 flare on 20 Jun | Tuesday, June 20, 2023 - 19:05 |