


Space Weather Message
Issued by NWS
Issued by NWS
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152 WOXX02 KWNP 281611 SUMX01 Space Weather Message Code: SUMX01 Serial Number: 191 Issue Time: 2025 Mar 28 1609 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2025 Mar 28 1503 UTC Maximum Time: 2025 Mar 28 1521 UTC End Time: 2025 Mar 28 1542 UTC X-ray Class: X1.1 Location: N06E75 NOAA Scale: R3 - Strong Comment: This summary is resent to correct the X-ray Class of this event to an X1.1 vs an X1.4. 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. # 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