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 Conditions Reached with CME Arrival | Thursday, November 4, 2021 - 01:44 | |
(UPDATE) G1 (Minor) and G2 (Moderate) Storm Watches for 3 - 4 November, 2021 | Tuesday, November 2, 2021 - 22:55 | |
Geomagnetic Storm Watch is in Effect for 30-31 Oct. | Friday, October 29, 2021 - 01:56 | |
S1 (Minor) Radiation Storm 28 October, 2021 | Thursday, October 28, 2021 - 18:39 | |
X1 Flare (R3 Radio Blackout) Event on 28 October, 2021 | Thursday, October 28, 2021 - 17:29 |