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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28 December CME Arrived, G1 (Minor) Storming Now Expected | Monday, December 28, 2015 - 22:20 |
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3 January non-Earth directed CME from AR beyond east limb | Tuesday, January 3, 2023 - 20:39 |
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3-4 Aug Weekend Summary and 5-7 Aug Forecast Outlook | Monday, August 5, 2024 - 14:32 |
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43 Years of Solar Synoptic Maps featured in video on Slate.com | Friday, September 4, 2015 - 19:57 |
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A G1 (minor) Geomagnetic Storm Watch - 09 And 10 April | Thursday, April 9, 2015 - 09:10 |