Why Does the Aurora Change Colors?
published: Monday, May 13, 2024 12:30 UTC UTC
Red, Green, Blue? Why does the Aurora change colors? Chemistry!
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.