Strong flare at 0733 ET on 1 February
published: Thursday, February 5, 2026 14:21 UTC UTC
An X1.0 solar flare occurred from Region 4366.
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.