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) Geomagnetic Storm Alert Issued | Saturday, May 27, 2017 - 23:57 |
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G1 (Minor) Geomagnetic Storm Alert Issued | Saturday, May 27, 2017 - 23:09 |
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G1 (Minor) Geomagnetic Storm Warning Valid on 19 Feb | Saturday, May 27, 2017 - 22:43 |
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Migration from Backup System to Boulder Completed Successfully | Wednesday, May 17, 2017 - 19:50 |
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G1 Watch for 29 Nov 2017 | Wednesday, May 17, 2017 - 18:18 |