NOAA warns of possible G2 geomagnetic storms Sept. 13–14 from large coronal hole — monitor satellites, GNSS and HF comms
NOAA forecasts potential G2-class geomagnetic storms on Sept. 13–14 after a large coronal hole sent fast solar wind toward Earth. Operators should monitor for satellite anomalies, GNSS degradation and HF radio interruptions that can affect navigation, communications and spacecraft in low Earth orbit.
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