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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Halo CME on the Farside of the Sun | Sunday, July 23, 2017 - 15:37 |
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G1 (Minor) Geomagnetic Storm Levels Observed | Saturday, July 22, 2017 - 12:51 |
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Update: G2 Geomagnetic Storm Alert Conditions Met Again | Monday, July 17, 2017 - 18:52 |
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Update: G2 (Moderate) Geomagnetic Storm Conditions Observed | Sunday, July 16, 2017 - 15:32 |
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G1 (Minor) Storm Conditions Observed, G2 (Moderate) Warning Issued - 16 July 2017 | Sunday, July 16, 2017 - 11:47 |