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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What to Know about the Labor Day-Night G2-G3 Storm Watches | Sunday, August 31, 2025 - 19:52 |
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G2 (Moderate) G3 (Strong) Geomagnetic Storm Watch for 01/02 Sep 2025 | Sunday, August 31, 2025 - 05:27 |
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Speedy CME Erupts from the Far-Side of the Sun on 21 Aug | Thursday, August 21, 2025 - 19:00 |
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G2 (Moderate) Geomagnetic Storm levels reached | Saturday, August 9, 2025 - 18:32 |
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G1-G2 (Minor-Moderate) Watch Issued for 08-09 Aug 2025 | Wednesday, August 6, 2025 - 18:59 |