Space Weather Prediction Center

National Oceanic and Atmospheric Administration

17-18 Aug Weekend Activity Summary: A Brief G3 (Strong) Storm on 17 Aug

17-18 Aug Weekend Activity Summary: A Brief G3 (Strong) Storm on 17 Aug
published: Wednesday, August 21, 2024 13:20 UTC UTC

Saturday, 17 Aug, observed G3 (Strong) levels briefly in response to a coronal mass ejection (CME) arrival. Conditions quickly weakened as CME passage passed over and beyond Earth. This CME was likely from the 14 Aug eruption and appeared to arrive as a glancing blow. Flare activity continued over the weekend and remains likely through the week. Please continue to visit our SWPC webpage for the latest information, forecasts, and updates.