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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Coronal Mass Ejection on 28 December | Monday, December 28, 2015 - 20:09 |
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Coronal Mass Ejections (CME) Space Weather Phenomena | Tuesday, September 5, 2017 - 16:51 |
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Customer Needs & Requirements for Space Weather | Monday, September 30, 2019 - 18:41 |
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Data Gap on 04 December | Friday, December 4, 2015 - 17:49 |
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Day Three of G1-G2 (Minor-Moderate) Geomagnetic Storms | Thursday, September 29, 2016 - 19:29 |