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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G2 Watch issued for 13 September; G1 Watch issued for 14 September | Monday, September 11, 2017 - 20:10 | |
G2 Warning Valid through 5/2100 UTC (5/1600 ET) | Tuesday, December 5, 2017 - 14:55 | |
G2 Warning extended until 15/0900 UTC | Friday, September 15, 2017 - 03:42 | |
G2 Warning expired/ G1 Warning in effect | Monday, March 27, 2017 - 21:26 | |
G2 Storm Observed | Sunday, March 13, 2022 - 17:03 |