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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, April 29, 2025 08:43:14 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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Created with Highcharts 8.0.4GOES Proton FluxApr 2706:0012:0018:00Apr 2806:0012:0018:00Apr 2906:0012:0018:00Apr 30
10-210-1100101102103104
Created with Highcharts 8.0.4Universal TimeEstimated KpApr 2712:00Apr 2812:00Apr 2906:0018:0006:0018:0006:0012:0018:00Apr 300510Space Weather Prediction Center
Updated Time: 2025-04-29T08:30:00.000Z

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