Stratospheric Radiation Rebounds Following CME Strike

Source - Space Weather News for Oct. 3, 2014: http://spaceweather.com

STRATOSPHERIC RADIATION: Stratospheric radiation levels are returning to normal, according to a Space Weather Buoy launched on Sept. 28th by students in California.  This follows a mid-September drop in ionizing radiation caused, ironically, by a strong solar storm and CME strike. 

Data and a discussion of the phenomenon may be found on today's edition of http://spaceweather.com.