Summary
A G2 (Moderate) Watch is in effect for 3–4 December UTC days. The Watches are in place due to the potential interaction between a nearby passing coronal mass ejection (CME) and Earth’s magnetosphere. Forecasters note possible impacts to satellite operations, radio communications, and navigation systems, with increased geomagnetic activity expected during the watch period.
Key Points
- A G2 (Moderate) Watch is active for 3–4 December UTC days.
- The watch is issued because of potential interaction between a nearby passing coronal mass ejection and Earth's magnetosphere.
- Possible impacts include satellite operations, radio communications, and navigation systems disruptions.
Details
The Space Weather Prediction Center is monitoring evolving solar activity and will issue updates as conditions develop. Forecasters emphasize that geomagnetic activity can influence power grids and high-frequency radio communications, especially at high latitudes.
Citations
- NOAA / NWS Space Weather Prediction Center alerts and daily briefings.
- Space weather observers tracking CME trajectories and magnetospheric response.
Author's Note
Space weather updates caution about potential geomagnetic impacts during the 3–4 December window, with ongoing monitoring and advisories planned as needed.
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