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| Strong (G3) Geomagnetic Storms are Likely on 16 September 2024 / NOAA / NWS Space Weather Prediction Center Periods of G3 (Strong) geomagnetic storms are likely on 16 Sep 2024 due to coronal hole influences and the anticipated arrival of a CME associated with an X4.5 flare at 14/1529 UTC from AR3825. | Saturday, September 14, 2024 21:18 UTC | | R3 (Strong) HF Radio Blackout Event on 14 Sep 2024 / NOAA / NWS Space Weather Prediction Center An X4.5 flare occurred at approximately 14/1529 UTC, resulting in R3 (Strong) HF radio blackouts. Continue to monitor our web page for updated forecasts, alerts, and warnings. | Saturday, September 14, 2024 16:27 UTC | | A particularly active 'aurora season' could be just weeks away / Space | September 9, 2024 |
| Strong (G3) Geomagnetic Storms are Likely on 16 September 2024 / NOAA / NWS Space Weather Prediction Center
Periods of G3 (Strong) geomagnetic storms are likely on 16 Sep 2024 due to coronal hole influences and the anticipated arrival of a CME associated with an X4.5 flare at 14/1529 UTC from AR3825. | Saturday, September 14, 2024 21:18 UTC | | R3 (Strong) HF Radio Blackout Event on 14 Sep 2024 / NOAA / NWS Space Weather Prediction Center
An X4.5 flare occurred at approximately 14/1529 UTC, resulting in R3 (Strong) HF radio blackouts. Continue to monitor our web page for updated forecasts, alerts, and warnings. | Saturday, September 14, 2024 16:27 UTC | | A particularly active 'aurora season' could be just weeks away / Space | September 9, 2024 |