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National Oceanic and Atmospheric Administration

Thursday, May 22, 2025 02:53:30 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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Service Restored - Saturday March 7th, 2015

Service Restored - Saturday March 7th, 2015
Service Restored - Saturday March 7th, 2015
published: Tuesday, March 10, 2015 14:42 UTC

After a planned outage for facility power system maintenance, SWPC operations have been mostly restored as of 3:30PM MST on Saturday, March 7th. There are some systems that require up to 3 hours of continuous data, e.g., Ovation 30-min Auroral Forecast, before they begin updating.