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National Oceanic and Atmospheric Administration

Saturday, May 17, 2025 04:21:12 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.
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We are eager to assist with your inquiries and provide accurate and timely information about space weather and our operations. Please reach out to us at swpc.media@noaa.gov , and our team will respond to routine requests within 1-2 business days.

During periods of heightened space weather activity, our Significant Activity Response Team will prioritize media requests and respond as soon as practicable.