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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R3 (Strong) level flare event on 22 March, 2024 (EDT) | Saturday, March 23, 2024 - 02:18 | |
R3 (Strong) HF Radio Blackout Event 29 March, 2023 UTC-Day | Wednesday, March 29, 2023 - 03:11 | |
R3 (Strong) HF Radio Blackout Event 02 July, 2023 UTC-Day | Monday, July 3, 2023 - 04:05 | |
R3 (Strong) HF Radio Blackout 1:50pm EST from X1.9 Flare | Monday, January 9, 2023 - 20:03 | |
R3 (Strong) Flare at 9:55 am EDT on 10 May, 2022 | Tuesday, May 10, 2022 - 15:56 |