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National Oceanic and Atmospheric Administration

Wednesday, April 09, 2025 13:30:50 UTC

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NOAA Scales mini

R1 (Minor) Radio Blackout Impacts
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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

Historical Comparison of May 2024 Solar Storms

Historical Comparison of May 2024 Solar Storms
published: Friday, May 24, 2024 18:32 UTC

Are you curious about how the recent G5 geomagnetic storm compared to other historical events?