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National Oceanic and Atmospheric Administration

Saturday, March 29, 2025 20:10:56 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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2020 Space Weather Workshop - 20-24 April, 2020 in Boulder, CO

2020 Space Weather Workshop - 20-24 April, 2020 in Boulder, CO
published: Tuesday, June 11, 2019 03:55 UTC

The dates for the 2020 Space Weather Workshop have been confirmed and will be held at the Embassy Suites/Hilton Garden Inn in Boulder, CO. Please visit our Annual Meeting page for more information.