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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Geomagnetic Storm Conditions Expected for 25-26 May | Monday, May 24, 2021 - 03:36 |
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Space Weather Educational Video | Thursday, May 20, 2021 - 21:14 |
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G3 (Strong) Geomagnetic Storm Conditions Observed | Wednesday, May 12, 2021 - 16:15 |
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Geomagnetic Storm Conditions Expected for 25 Apr | Sunday, April 25, 2021 - 02:47 |
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G2 (Moderate) Storm Watch for the 25 April UTC-day | Thursday, April 22, 2021 - 19:15 |