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
DAP - temp Head Section
News Archive
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Sunspots and Solar Cycles | Thursday, April 26, 2018 - 19:17 |
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Solar Cycle 24 Status and Solar Cycle 25 Upcoming Forecast | Thursday, April 26, 2018 - 19:13 |
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Real Time Solar Wind and NOAA's DSCOVR Satellite | Thursday, April 26, 2018 - 19:09 |
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Update: G2 (Moderate) Geomagnetic Storm Levels Observed | Friday, April 20, 2018 - 07:34 |
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G1 (Minor) Geomagnetic Storm Warning Valid 21/2355-22/0900 UTC | Sunday, April 8, 2018 - 05:05 |