Space Weather Message
Issued by NWS
Issued by NWS
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355 WOXX01 KWNP 251031 SUMXM5 Space Weather Message Code: SUMXM5 Serial Number: 326 Issue Time: 2026 Aug 25 1027 UTC SUMMARY: X-ray Event exceeded M5 Begin Time: 2026 Aug 25 0932 UTC Maximum Time: 2026 Aug 25 1002 UTC End Time: 2026 Aug 25 1013 UTC Xray Class: M6.9 Optical Class: Location: N04E04 Noaa Scale: R2 - Moderate Comment: NOAA Scale: R2 - Moderate www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact centered primarily on sub-solar point on the sunlit side of Earth. Radio - Limited blackout of HF (high frequency) radio communication for tens of minutes. # Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Recent messages, data, and help at http://swpc.noaa.gov/alerts/ # Send questions to SWPC.Webmaster@noaa.gov