645
WOXX02 KWNP 172206
SUMX01

Space Weather Message Code: SUMX01
Serial Number: 195
Issue Time: 2025 Jun 17 2204 UTC

SUMMARY: X-ray Event exceeded X1
Begin Time: 2025 Jun 17 2138 UTC
Maximum Time: 2025 Jun 17 2149 UTC
End Time: 2025 Jun 17 2154 UTC
X-ray Class: X1.2
Optical Class: 2b
Location: N18W10
NOAA Scale: R3 - Strong
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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