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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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 | |
Job Vacancy at the Space Weather Prediction Center | Wednesday, May 24, 2023 - 16:49 | |
M9 Flare (R2-Moderate) Event on 16 May, 2023 | Tuesday, May 16, 2023 - 18:11 | |
G3 (Strong) Geomagnetic Storm Watch Now in Effect for 11 May | Wednesday, May 10, 2023 - 17:57 |