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National Oceanic and Atmospheric Administration

Sunday, June 22, 2025 15:38:14 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.
More about the NOAA Space Weather Scales

Temporary Webpage and Data Outages Possible on 20 February

Temporary Webpage and Data Outages Possible on 4 February
Temporary Webpage and Data Outages Possible on 20 February
published: Friday, February 21, 2025 01:16 UTC

The Space Weather Prediction Center (SWPC) will be conducting required systems work on 20 February. This may result in temporary webpage and data outages.

We thank you for your patience during this period.