![S1 Event](https://www.swpc.noaa.gov/sites/default/files/styles/pad_sides_large/public/top_news/Copy%20of%20NEW%20S1%20Alert%20Template_0.png?itok=QhgPN7Sh)
S1 Radiation Event in Progress
A low-level solar energetic particle event started at 10/1335 UTC. This is a response to flare activity from Region 3664.
A low-level solar energetic particle event started at 10/1335 UTC. This is a response to flare activity from Region 3664.