Space Weather Prediction Center

National Oceanic and Atmospheric Administration

X1.5 Flare (R3) from Departed Region 3386 on 7 Aug, 2023

R3 event 7 Aug, 2023
X1.5 Flare (R3) from Departed Region 3386 on 7 Aug, 2023
published: Thursday, August 10, 2023 20:06 UTC UTC

A X1.5 flare (R3-Strong) occurred on 7 August, 2023 from recently departed Region 3386. The R3 event peaked at 2046 UTC (4:46 pm EDT) on 7 Aug and likely caused HF radio communication degradation or completed loss on the sunlit side of Earth during the flare's duration. Please continue to visit our SWPC website for the latest information and updated.