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National Oceanic and Atmospheric Administration

Sunday, April 06, 2025 21:37:09 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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Space Weather Impacts

Space Weather Impacts
published: Tuesday, May 21, 2024 20:43 UTC

Space weather is a two-sided coin: it creates beautiful auroras, but it can also jeopardize the technologies we rely on daily. See all the impacts of space weather at spaceweather.gov/impacts