Space Weather Prediction Center

National Oceanic and Atmospheric Administration

An X1.1 Flare Was Observed at 08/0501 UTC

An X1.1 Flare Was Observed at 08/0501 UTC
published: Thursday, December 11, 2025 14:50 UTC UTC

Region 4298 produced an impulsive X1.1/2b flare (R3-Strong Radio Blackout) at 08/0501 UTC.