Space Weather Update: A G2 (Moderate) Watch is in Effect (2-5 December 2025)
Stay informed about the potential space weather impacts as a G2 (Moderate) Watch is in effect from 3 to 4 December UTC. This watch is issued due to the anticipated interaction between a nearby coronal mass ejection (CME) and an inbound coronal hole high-speed stream (CH HSS).
During this period, you may experience:
- Weak or minor degradation of HF radio communication on the sunlit side, with occasional radio contact loss.
- Low-frequency navigation signals may be degraded for brief intervals.
For more detailed information about the NOAA Space Weather Scales, visit: https://www.spaceweather.gov/noaa-scales-explanation
Remember to stay tuned to spaceweather.gov for the latest updates and alerts.
