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000
WOXX01 KWNP 182245
SUMXM5

Space Weather Message Code: SUMXM5
Serial Number: 132
Issue Time: 2014 Dec 18 2242 UTC

SUMMARY: X-ray Event exceeded M5
Begin Time: 2014 Dec 18 2141 UTC
Maximum Time: 2014 Dec 18 2158 UTC
End Time: 2014 Dec 18 2225 UTC
X-ray Class: M6.9
Optical Class: 2n
Location: S11E10
NOAA Scale: R2 - Moderate

Comment: Optical class is preliminary.
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



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