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) Geomagnetic Storms Likely on 31 July and 01 August | Thursday, July 30, 2015 - 22:30 | |
G1 (Minor) Geomagnetic Storms Likely on 9 Nov 2015 | Friday, October 9, 2015 - 05:14 | |
G1 (Minor) Geomagnetic Storms Observed - 11 June 2017 | Sunday, June 11, 2017 - 18:17 | |
G1 (Minor) Geomagnetic Storms Observed - 18 Oct 2015 | Sunday, October 18, 2015 - 10:44 | |
G1 (Minor) Geomagnetic Storms Observed on 21 May 2016 | Saturday, May 21, 2016 - 07:58 |