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National Oceanic and Atmospheric Administration

Thursday, June 05, 2025 15:39:37 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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G2 (Moderate) Geomagnetic Storms Observed 11/1441 UTC.

G2 (Moderate) Geomagnetic Storms Observed 11/1441 UTC.
published: Sunday, March 13, 2016 16:31 UTC

A G2 (Moderate) geomagnetic storm was observed at 11/1441 UTC (0941 EST) due to an enhanced solar wind environment likely associated with the arrival of a CME. Storms conditions are expected to weaken through the remainder of 11 March.