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National Oceanic and Atmospheric Administration

Wednesday, June 04, 2025 16:39:54 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.
More about the NOAA Space Weather Scales

G1 (Minor) Geomagnetic Storms likely for 01-02 Mar

G1 (Minor) Geomagnetic Storms likely for 01-02 Mar
published: Friday, March 03, 2017 07:00 UTC

G1 (Minor) geomagnetic storm levels are likely for 01-02 March due to effects from a recurrent, negative polarity coronal hole high speed stream. Check back here for updated information.