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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G3 (Strong) Geomagnetic Storm Watch remains in effect for 31 Mar | Thursday, March 31, 2022 - 17:17 | |
G3 (Strong) Geomagnetic Storming Observed 23 March, 2023 | Thursday, March 23, 2023 - 16:59 | |
G3 (Strong) geomagnetic storming reached on 28 September | Thursday, September 28, 2017 - 05:54 | |
G3 (Strong) Geomagnetic Storms Observed - 08 May 2016 | Sunday, May 8, 2016 - 05:46 | |
G3 (Strong) Geomagnetic Storms Observed on 10 Apr 22 | Sunday, April 10, 2022 - 06:11 |