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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G3 (Strong) Geomagnetic Storm Watch for 23 Mar | Saturday, March 22, 2025 - 04:42 |
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Moderate (G2) Geomagnetic Storms Expected - 21-22 March 2025 | Friday, March 21, 2025 - 20:22 |
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G2 Moderate Storm levels reached | Sunday, March 9, 2025 - 06:12 |
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*NEW UPDATE*: Coronagraph Images and Data from GOES-19 Availability Expanded | Wednesday, February 26, 2025 - 01:43 |
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R1 Flare and Associated CME Departure Early on 25 Feb | Tuesday, February 25, 2025 - 15:49 |