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National Oceanic and Atmospheric Administration

Monday, May 05, 2025 21:30:10 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

August 23-25th Weekend Space Weather Outlook

August 23-25th Weekend Space Weather Outlook
August 23-25th Weekend Space Weather Outlook
published: Monday, August 26, 2024 13:32 UTC

R1-R2 (Minor-Moderate) solar flare events remain probable through the weekend (Aug 23-25th EDT). Many sunspot groups are present as solar cycle 25 continues. Please visit our SWPC webpage for the latest information, forecasts, and updates.