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National Oceanic and Atmospheric Administration

Monday, May 12, 2025 11:00:54 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

G3 Conditions Observed

G3
G3 Conditions Observed
published: Tuesday, October 08, 2024 19:02 UTC

G3 levels were observed at 08/0235 UTC. A G3 or greater geomagnetic warning is valid until 08/0900 UTC. Stay tuned for updates.