Space Weather Message Code: ALTXMF
Serial Number: 170
Issue Time: 2012 May 10 0418 UTC
ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2012 May 10 0417 UTC
NOAA Scale: R2 - Moderate
NOAA Space Weather Scale descriptions can be found at
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.