Region 3912 produced an X2.2/2b X-ray flare (R3-Strong radio blackout) on 08 Dec at 0906 UTC (0206 ET). A CME was observed in LASCO coronagraph imagery, beginning at approximately 08/0924 UTC (0224 ET), likely associated with the X-flare. Forecasters are analyzing the CME to determine if there is an Earth-directed component. Appropriate Watches/Warnings/Forecasts will be issued, pending the results of that analysis. Stay tuned to our webpage for the latest updates.
NOAA Scales mini
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.
More about the NOAA Space Weather Scales
Navigation: Low-frequency navigation signals degraded for brief intervals.
R3 (Strong) HF Radio Blackout Event on 08 Dec 2024
R3 (Strong) HF Radio Blackout Event on 08 Dec 2024