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National Oceanic and Atmospheric Administration

Sunday, April 06, 2025 02:53:12 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

Update - Geomagnetic Storm has re-strengthened from a G3 to G4

Update - Geomagnetic Storm has re-strengthened from a G3 to G4
published: Monday, April 24, 2023 10:12 UTC

UPDATE: Ongoing geomagnetic disturbances exceeded G4 threshold at 10:47 PM EDT.

A warning remains in effect until 0800 AM EDT (1200 UTC), but may be extended depending on how the storm evolves.  Check our aurora dashboard for the latest aurora predictions.