X1.7 Flare [1]

Space Weather Message Code: ALTXMF

Serial Number: 187
Issue Time: 2013 May 13 0206 UTC

ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2013 May 13 0204 UTC
NOAA Scale: R2 - Moderate
Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity.

 

For real-time information on affected area and expected duration please see

 

http://www.swpc.noaa.gov/drap/index.html  [2]

 

 

From: http://www.swpc.noaa.gov/alerts/warnings_timeline.html [3]