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National Oceanic and Atmospheric Administration

Friday, May 09, 2025 09:31:08 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-G2 (Minor-Moderate) Geomagnetic Storm Watches 05-06 May 2024

G1-G2 (Minor-Moderate) Geomagnetic Storm Watches 05-06 May 2024
published: Tuesday, May 07, 2024 00:52 UTC

A G1 (Minor) geomagnetic storm watch has been issued for 05 May and a G2 (Moderate) has been issued for 06 May (UTC Day) due to the potential arrival of a CME that left the Sun on 03 May.