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National Oceanic and Atmospheric Administration

Thursday, May 15, 2025 09:42:23 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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CME Passage Continues Today, 16 Apr 2025

CME Passage Continues Today, 16 Apr 2025
CME Passage Continues Today, 16 Apr 2025
published: Friday, April 18, 2025 00:43 UTC

CME passage continues today, 16 Apr with G3 levels reached. Conditions are anticipated to show signs of weakening later today, but the potential for at least G1 levels remains on 17 Apr. Visit our webpage for the latest information and updates.