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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Shock Arrival on 6 Sep at 2308 UTC from 4 September CME | Thursday, September 7, 2017 - 01:04 | |
G3 Watch: 7 through 9 September, 2017 due to CME Effects | Thursday, September 7, 2017 - 00:26 | |
R3 (X9.3 flare) Radio Blackout on 6 September at 1202 UTC | Wednesday, September 6, 2017 - 13:50 | |
Coronal Mass Ejections (CME) Space Weather Phenomena | Tuesday, September 5, 2017 - 16:51 | |
Sunspots on 5 September, 2017 | Tuesday, September 5, 2017 - 16:42 |