G1 Watch for 29 Nov 2017
A G1 (Minor) Geomagnetic Storm Watch is valid for 29 November due to an anticipated combination of CME and CH HSS effects. A increase in likelihood for visible aurora should exist at night in the higher latitudes.
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 Watch for 29 Nov 2017