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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USAF Wing Kp Model Removed from SWPC Website | Wednesday, June 27, 2018 - 19:22 |
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USAF Magnetometer Analysis Product No Longer Available | Tuesday, June 10, 2025 - 13:44 |
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US-TEC Model Upgrade | Wednesday, August 17, 2016 - 17:56 |
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UPGRADE to G4 Watch for 1-2 June | Saturday, May 31, 2025 - 20:43 |
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UPDATED - R2 (Moderate) Radio Blackout | Tuesday, January 13, 2015 - 11:27 |