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National Oceanic and Atmospheric Administration

Saturday, May 17, 2025 21:05:08 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

Solar Flares Remain Likely through 20-23 June

Solar Flares Remain Likely through 20-23 June
Solar Flares Remain Likely through 20-23 June
published: Monday, June 24, 2024 13:41 UTC

Solar flare potential remains elevated, with R1-R2 (Minor-Moderate) events still likely 20-23 June, 2024.