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
Originally Posted | ||
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Joint US-Canada 1D Geoelectric Field Map goes into SWPC operations | Wednesday, June 21, 2023 - 19:20 | |
Region 3341 produces an X1.1 flare on 20 Jun | Tuesday, June 20, 2023 - 19:05 | |
G2 Moderate Storm levels reached | Friday, June 16, 2023 - 16:37 | |
Time-lapse of Solar Cycle 25 displays increasing activity on the Sun | Friday, June 2, 2023 - 15:38 | |
R1 (Minor) HF Radio Blackout Event on 31 May, 2023 | Wednesday, May 31, 2023 - 23:17 |