G1-G2 (Minor-Moderate) Geomagnetic Storm Watches 04-05 Dec, 2023
A coronal hole high speed stream is likely to cause G2 (Moderate) geomagnetic storming on 04 Dec (UTC Day) and G1 (Minor) storming on 05 Dec.
NOAA Scales mini
R1 (Minor) Radio Blackout Impacts
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.
G1-G2 (Minor-Moderate) Geomagnetic Storm Watches 04-05 Dec, 2023