Space Weather Message Code: SUMX01

Serial Number: 198

Issue Time: 2025 Nov 04 2221 UTC



SUMMARY: X-ray Event exceeded X1

Begin Time: 2025 Nov 04 2145 UTC

Maximum Time: 2025 Nov 04 2201 UTC

End Time: 2025 Nov 04 2211 UTC

X-ray Class: X1.1
Optical Class: na

Location: S13E72

NOAA Scale: R3 - Strong



NOAA Space Weather Scale descriptions can be found at

www.swpc.noaa.gov/noaa-scales-explanation



Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-solar point.

Radio - Wide area blackout of HF (high frequency) radio communication for about an hour.

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