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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R2 (Moderate) Radio Blackouts Observed - 02 April 2017 | Sunday, April 2, 2017 - 21:26 |
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R2 (Moderate) Radio Blackout Observed | Sunday, April 2, 2017 - 10:57 |
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R1 (Minor) Radio Blackout Observed on 01 April 2017 at 2148 UTC | Saturday, April 1, 2017 - 22:33 |
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G1 (Minor) Geomagnetic Storm Watch Issued for 24-26 April | Friday, March 31, 2017 - 02:46 |
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G1 (Minor) Storm Warning in Effect | Thursday, March 30, 2017 - 06:02 |