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National Oceanic and Atmospheric Administration

Saturday, June 14, 2025 23:56:08 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.
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G1 (Minor) Geomagnetic Storm Warning Vaild Through 18/0900 UTC

G1 (Minor) Geomagnetic Storm Warning Vaild Through 18/0900 UTC
published: Saturday, February 18, 2017 20:24 UTC

A G1 (Minor) geomagnetic storm warning is in effect from 18/0357 - 18/0900 UTC due to influence from a positive-polarity coronal hole high-speed stream. Visit our website for further information and updates.