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
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G3 (Strong) Levels Reached on 28 June | Friday, June 28, 2024 - 14:06 |
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G3 (Strong) or Greater Geomagnetic storms expected | Tuesday, March 17, 2015 - 06:39 |
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G3 (Strong) Storm Watch Remains in Effect for 11 Oct | Friday, October 11, 2024 - 18:11 |
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G3 (Strong) Watch Remains in Effect for 06 Oct | Thursday, October 3, 2024 - 20:10 |
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G3 - Strong Geomagnetic Storm Levels Observed | Saturday, August 17, 2024 - 18:05 |