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National Oceanic and Atmospheric Administration

Tuesday, May 06, 2025 14:50:41 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

What to Expect from the Peak of Solar Cycle 25

What to Expect in Solar Cycle 25
What to Expect from the Peak of Solar Cycle 25
published: Friday, January 19, 2024 16:49 UTC

Solar Cycle 25 progression continues and the peak of solar maximum is approaching. Solar flares and coronal mass ejections (CME) will likely become more probable and impactful space weather events may be possible in 2024. For the full story, see https://www.noaa.gov/stories/what-to-expect-from-peak-of-solar-cycle-25