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 Watch 31 Aug & G2 Watch 1 Sep, 2019 UTC-Days | Thursday, August 29, 2019 - 20:43 | |
G1 Watch 4 - 5 Nov due to CH HSS Effects | Thursday, November 3, 2022 - 18:40 | |
G1 Watch Expanded | Tuesday, December 6, 2016 - 23:10 | |
G1 Watch for 1-2 August, 2023 | Monday, July 31, 2023 - 18:09 | |
G1 Watch for 15 March, 2018 UTC | Monday, March 12, 2018 - 19:20 |