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 Watch still valid, but conditions diminishing | Monday, March 25, 2024 - 18:24 | |
G3 Watch for 6 and 7 September, 2017 due to CME Arrival | Tuesday, September 5, 2017 - 14:47 | |
G3 downgraded to G1 | Wednesday, June 24, 2015 - 22:08 | |
G3 (Strong) or Greater Geomagnetic storms expected | Tuesday, March 17, 2015 - 06:39 | |
G3 (Strong) Geomagnetic Storms Observed on 10 Apr 22 | Sunday, April 10, 2022 - 06:11 |