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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G2 Warning extended until 15/0900 UTC | Friday, September 15, 2017 - 03:42 |
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G2 (Moderate) Geomagnetic Storm Warning Issued/Conditions Observed | Thursday, September 14, 2017 - 21:24 |
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G1 (Minor) Geomagnetic Storm Conditions Observed | Thursday, September 14, 2017 - 16:20 |
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G1 (Minor) Geomagnetic Storm Warning Issued | Thursday, September 14, 2017 - 14:59 |
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G1-Minor Storm Watch Issued for 16 Sep | Wednesday, September 13, 2017 - 22:03 |