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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Update: S1-S2 Warning Extended to 8 September/2359 UTC | Tuesday, September 5, 2017 - 15:10 | |
G3 Watch for 6 and 7 September, 2017 due to CME Arrival | Tuesday, September 5, 2017 - 14:47 | |
CME analysis in progress | Tuesday, September 5, 2017 - 02:59 | |
R1-R2 Radio Blackouts on 4 September, 2017 | Monday, September 4, 2017 - 09:35 | |
G1 (Minor) Geomagnetic Storm Levels Observed | Saturday, September 2, 2017 - 05:28 |