Space Weather Message Code: SUMX01

Serial Number: 203

Issue Time: 2025 Dec 01 0314 UTC



SUMMARY: X-ray Event exceeded X1

Begin Time: 2025 Dec 01 0227 UTC

Maximum Time: 2025 Dec 01 0249 UTC

End Time: 2025 Dec 01 0305 UTC

X-ray Class: X1.9
Location: N22E85

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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