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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Update: G1 (Minor) Storming observed, G2 Warning Issued until 08/0600 UTC | Sunday, October 7, 2018 - 16:37 | |
UPDATE: G1 (Minor) Storm Observed at 31/0427 & 31/1120 UTC | Monday, August 31, 2020 - 06:13 | |
Update: G1 (Minor) Geomagnetic Storms Continue | Saturday, August 19, 2017 - 18:20 | |
Update: Continued G4 (Severe) Geomagnetic Storming Observed | Thursday, September 7, 2017 - 23:40 | |
Update: G3 (Strong) or greater warning issued until 1200 UTC on 20 September | Sunday, September 20, 2015 - 06:42 |