Space Weather Prediction Center

National Oceanic and Atmospheric Administration

R3 (Strong) HF Radio Blackout Event on 14 Sep 2024

R3 Strong radio blackout/GOES SUVI imagery/Explanations
R3 (Strong) HF Radio Blackout Event on 14 Sep 2024
published: Tuesday, September 17, 2024 03:55 UTC UTC

An X4.5 flare occurred at approximately 14/1529 UTC, resulting in R3 (Strong) HF radio blackouts. Continue to monitor our web page for updated forecasts, alerts, and warnings.