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National Oceanic and Atmospheric Administration

Monday, April 21, 2025 07:44:03 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-G3 (Minor-Strong) Geomagnetic Storm Watches Issued for 03-05 October

G1-G3 (Minor-Strong) Geomagnetic Storm Watches Issued for 03-05 October
published: Thursday, October 03, 2024 20:26 UTC

G1-G3 (Minor-Strong) Geomagnetic Storm Watches have been issued for 03-05 October, due to the forecast arrival of the CME associated with the X7.1 flare observed on 02 October. Stay tuned for updates!