G2 (Moderate) Geomagnetic Storm Watch for 13 Aug
G2 (Moderate) geomagnetic storming is likely on 13 Aug as CME passage and influences, which began on 11 Aug, continue.
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.
G2 (Moderate) Geomagnetic Storm Watch for 13 Aug