Space Weather Message
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1
000
WOXX02 KWNP 200106
SUMX01

Space Weather Message Code: SUMX01
Serial Number: 111
Issue Time: 2014 Dec 20 0100 UTC

SUMMARY: X-ray Event exceeded X1
Begin Time: 2014 Dec 20 0011 UTC
Maximum Time: 2014 Dec 20 0028 UTC
End Time: 2014 Dec 20 0055 UTC
X-ray Class: X1.8
Optical Class: 2b
Location: S19W29
NOAA Scale: R3 - Strong

Comment: NOAA Active Region 12242; optical class is preliminary
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



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.