3-4 Aug Weekend Summary and 5-7 Aug Forecast Outlook
A G3 (Strong) geomagnetic storm occurred on Sunday, 4 Aug, while flare activity continues to be expected. Visit our SWPC webpage for the latest information and forecasts.
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.
3-4 Aug Weekend Summary and 5-7 Aug Forecast Outlook