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Thursday, June 19, 2025 09:36:37 UTC

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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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AR 3615 Produces an M7.4 Flare

AR 3615 Produces an M7.4 Flare
published: Friday, March 22, 2024 23:43 UTC

Region 3615 produced an M7.4 flare at 20/0736 UTC. No apparent associated coronal mass ejection is evident at this time. However, stay tuned at https://www.swpc.noaa.gov/products/forecast-discussion for the latest forecast updates.