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Monday, August 18, 2025 14:43:40 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

R2 (Moderate) Radio Blackout 02 February

R2 (Moderate) Radio Blackout 02 February
published: Tuesday, February 04, 2025 14:58 UTC

Region 3977 produced an impulsive M5.1 flare at 02/1404 UTC. Additional R1-2 (Minor-Moderate) flare events are likely to continue over the next several days. Be sure to visit https://www.swpc.noaa.gov/products/3-day-forecast to stay up to date with the latest 3-day forecasts.