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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G2 (Moderate) geomagnetic storm conditions met | Thursday, September 28, 2017 - 05:28 |
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G2 (Moderate) Geomagnetic Storm Warning extended through 28/0900 UTC | Thursday, September 28, 2017 - 04:24 |
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G1 (Minor) Storm Warning in Effect from 21/0432 to 21/1800 UTC | Thursday, September 28, 2017 - 04:20 |
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G1-Minor geomagnetic Storm Conditions Observed | Thursday, September 28, 2017 - 02:28 |
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Coronal Hole High Speed Streams (CH HSS) | Monday, September 25, 2017 - 21:17 |