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 Storm Warning Valid 21/2355-22/0900 UTC | Sunday, April 8, 2018 - 05:05 | |
G1 (Minor) Geomagnetic Storm Warning Valid on 19 Feb | Saturday, May 27, 2017 - 22:43 | |
G1 (Minor) Geomagnetic Storm Watch 08 Aug | Monday, August 8, 2022 - 09:35 | |
G1 (Minor) Geomagnetic Storm Watch 17-18 Jul | Saturday, July 15, 2023 - 20:15 | |
G1 (Minor) Geomagnetic Storm Watch Extended into 18 April 2017 | Monday, April 17, 2017 - 18:17 |