S1 Radiation Event in Progress
A low-level solar energetic particle event started at 10/1335 UTC. This is a response to flare activity from Region 3664.
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.
S1 Radiation Event in Progress