Products that are being evaluated by SWPC, and have been determined to likely provide enhancements to the overall accuracy, presentation and relevance of SWPC space weather information are presented for public evaluation.
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.