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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G1-Minor Storm conditions observed at 25/0859 UTC | Thursday, September 28, 2017 - 15:11 | |
G3 (Strong) geomagnetic storming reached on 28 September | Thursday, September 28, 2017 - 05:54 | |
G2 (Moderate) geomagnetic storm conditions met | Thursday, September 28, 2017 - 05:28 | |
G2 (Moderate) Geomagnetic Storm Warning extended through 28/0900 UTC | Thursday, September 28, 2017 - 04:24 | |
G1 (Minor) Storm Warning in Effect from 21/0432 to 21/1800 UTC | Thursday, September 28, 2017 - 04:20 |